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WO2010028941A1 - Dispositif de distribution et dispositif de prétraitement pour des liquides visqueux - Google Patents

Dispositif de distribution et dispositif de prétraitement pour des liquides visqueux Download PDF

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Publication number
WO2010028941A1
WO2010028941A1 PCT/EP2009/060908 EP2009060908W WO2010028941A1 WO 2010028941 A1 WO2010028941 A1 WO 2010028941A1 EP 2009060908 W EP2009060908 W EP 2009060908W WO 2010028941 A1 WO2010028941 A1 WO 2010028941A1
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WIPO (PCT)
Prior art keywords
composition
product according
laundry product
packaged
package
Prior art date
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PCT/EP2009/060908
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English (en)
Inventor
Alyn James Parry
Stephen John Singleton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hindustan Unilever Ltd
Unilever NV
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Hindustan Unilever Ltd
Unilever NV
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Application filed by Hindustan Unilever Ltd, Unilever NV filed Critical Hindustan Unilever Ltd
Priority to BRMU8903145U priority Critical patent/BRMU8903145Y1/pt
Priority to CN2009901004661U priority patent/CN202181298U/zh
Priority to ES201190002U priority patent/ES1076140Y/es
Priority to DE212009000119U priority patent/DE212009000119U1/de
Publication of WO2010028941A1 publication Critical patent/WO2010028941A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L25/00—Domestic cleaning devices not provided for in other groups of this subclass 
    • A47L25/08—Pads or the like for cleaning clothes

Definitions

  • the present invention concerns a viscous laundry product and packaging therefor.
  • An objective is to provide an improved pretreatment device for the precise pretreatment of laundry stains.
  • the present invention provides a packaged laundry product comprising a flowable laundry composition contained in a bottom-dispensing package, wherein
  • the flowable laundry composition has a viscosity of at least at least 100 Pa. s. preferably at least 500 Pa. s, when in rest or up to a shear stress of 10 Pa and comprising at least one surfactant and at least one hydrotrope;
  • the bottom-dispensing package comprising a compressible container in which the flowable laundry composition is stored and a dispensing device which incorporates a fabric pretreatment device, the dispensing device being and fabric pretreatment device being located at the bottom of the compressable container.
  • the advantage of the above arrangement is that it offers greater control in applying a high viscosity composition vis-a-vis stained areas.
  • Pretreatment with high viscosity fluids from hand-held products is advantageous in terms of accuracy in applying to the stained area.
  • this can be difficult ergonomically and many users resort to applying an impact force to the device (banging the base, or slapping the side) which interferes with accurate dosing and often results in over-dosing, spillage etc.
  • the fabric treatment container is enclosed by a dosing closure device providing a supportive base of the package.
  • the advantage of this arrangement is that the dispensing device need not involve complicated and expensive seal/valves as the dosing closure encloses the pretreatment device and provides the base: this affords the advantage that any drips of composition falling from the pretreatment device after use, are collected in the supportive base which can then be placed directly in the washing machine/receptacle which minimises waste.
  • the dispensing device may comprise a channel or duct providing fluid communication between the reservoir and pretreater.
  • the pretreater may comprise a device allowing mechanical cleaning, such as a body with multiple projections.
  • the projections may be flexible so that they move during cleaning providing a light cleaning action. Alternatively some or all of the projections may be semirigid or rigid so as to provide a harsher mechanical cleaning action.
  • the projections may be thin e.g. bristles to provide a brush-like device, or thicker so as to provide finger like projections.
  • the package may have a curved top to deter users from storing the bottle top-down. In this way the package is more likely to be stored in a pretreater - loading position i.e. with the flowable laundry composition accumulated by gravity in the base of the package.
  • the pretreater comprises a generally hemispherical body with multiple projections extending radially therefrom.
  • the composition may comprise 0.1 - 10 % by weight hydrotrope, preferably 0.1 - 5%, more preferably 0.1 - 2% and most preferably 0.1 - 1% hydrotrope.
  • Possible hydrotropes include toluene, urea, cumene sulphonate, xylene sulphonate and mixtures thereof.
  • Salts include sodium, potassium, ammonium, monoethanolamine, triethanolamine and mixtures thereof.
  • One combination is xylene sulphonate and urea.
  • the composition is preferably a shear thinning gel-type composition.
  • the viscosity under shear stress may be less than 300 Pa. s, preferably less than 100 Pa. s and more preferably less than 5 Pa. s, even more preferably it is at most 1 Pa. s and most preferably it is at most 0.5 Pa. s.
  • Shear thinning compositions may comprise a polymer gum, e.g. Xanthan gum or other gum capable of forming stable continuous gum networks which can suspend particles.
  • a polymer gum e.g. Xanthan gum or other gum capable of forming stable continuous gum networks which can suspend particles.
  • external structurants e.g. hydrogenated castor oil, micro crystalline cellulose may be used.
  • compositions may comprise a soap or fatty acid in combination with sodium sulphate and one or more surfactants may be used to form a gelled structure by the formation of lamellar phases.
  • the composition may comprise a lamellar phase dispersions from a micellar surfactant systems, and additionally a structurant for establishing the lamellar phase, whereby said structurant may be a fatty alcohol.
  • composition of invention contains one or more surfactants and/or optionally other ingredients such that the composition is fully functional as a laundry cleaning and/or care composition.
  • a composition of the invention may be provided in solid or liquid form. If in a solid form, the composition may be rehydrated and/or dissolved in a solvent, including water, before use. The composition may provided in a concentrated form to be diluted or may be a ready-to-use (in-use) composition. - A -
  • the present invention is suitable for use in industrial or domestic fabric wash compositions.
  • the present invention can also be applied to industrial or domestic non- detergent based fabric care compositions.
  • contemplated ingredients including hydrotropes, preservatives, fillers, builders, complexing agents, polymers, stabilizers, perfumes per se, other conventional detergent ingredients, or combinations of one or more thereof are discussed below.
  • Fabric wash compositions according to the present invention comprise a fabric wash detergent material selected from non-soap anionic surfactant, nonionic surfactants, soap, amphoteric surfactants, zwitterionic surfactants and mixtures thereof.
  • Detergent compositions suitable for use in domestic or industrial automatic fabric washing machines generally contain anionic non-soap surfactant or nonionic surfactant, or combinations of the two in suitable ratio, as will be known to the person skilled in the art, optionally together with soap.
  • the surfactants may be present in the composition at a level of from 0.1 % to 60% by weight.
  • Suitable anionic surfactants include alkyl benzene sulphonate, primary and secondary alkyl sulphates, particularly C 8 -Ci 5 primary alkyl sulphates; alkyl ether sulphates; olefin sulphonates; alkyl xylene sulphonates, dialkyl sulphosuccinates; ether carboxylates; isethionates; sarcosinates; fatty acid ester sulphonates and mixtures thereof.
  • the sodium salts are generally preferred.
  • the composition When included therein the composition usually contains from about 1 % to about 50%, preferably 10 wt%-40 wt% based on the fabric treatment composition of an anionic surfactant such as linear alkylbenzenesulfonate, alpha- olefinsulfonate, alkyl sulfate (fatty alcohol sulfate), alcohol ethoxysulfate, secondary alkanesulfonate, alpha-sulfo fatty acid methyl ester, alkyl- or alkenylsuccinic acid or soap.
  • an anionic surfactant such as linear alkylbenzenesulfonate, alpha- olefinsulfonate, alkyl sulfate (fatty alcohol sulfate), alcohol ethoxysulfate, secondary alkanesulfonate, alpha-sulfo fatty acid methyl ester, alkyl- or alkenylsuccinic acid or soap.
  • Preferred surfactants are alkyl ether sulphates and blends of alkoxylated alkyl nonionic surfactants with either alkyl sulphonates or alkyl ether sulphates.
  • Preferred alkyl ether sulphates are C8-C15 alkyl and have 2-10 moles of ethoxlation.
  • Preferred alkyl sulphates are alkylbenzene sulphonates, particularly linear alkylbenzene sulphonates having an alkyl chain length of Cs-Ci 5 .
  • the counter ion for anionic surfactants is typically sodium, although other counter-ions such as TEA or ammonium can be used. Suitable anionic surfactant materials are available in the marketplace as the 'Genapol'TM range from Clariant.
  • Nonionic surfactants include primary and secondary alcohol ethoxylates, especially C 8 -C 7 aliphatic alcohol ethoxylated with an average of from 1 to 7 moles of ethylene oxide per mole of alcohol, and more especially the Ci 0 -Ci 5 primary and secondary aliphatic alcohols ethoxylated with an average of from 1 to 10 moles of ethylene oxide per mole of alcohol.
  • Non-ethoxylated nonionic surfactants include alkyl polyglycosides, glycerol monoethers and polyhydroxy amides (glucamide). Mixtures of nonionic surfactant may be used.
  • the composition When included therein the composition usually contains from about 0.2% to about 40%, preferably 1 to 7 wt%, more preferably 5 to 15 wt% of a non-ionic surfactant such as alcohol ethoxylate, nonylphenol ethoxylate, alkylpolyglycoside, alkyldimethylamineoxide, ethoxylated fatty acid monoethanolamide, fatty acid monoethanolamide, polyhydroxy alkyl fatty acid amide, or N-acyl N-alkyl derivatives of glucosamine (“glucamides”).
  • a non-ionic surfactant such as alcohol ethoxylate, nonylphenol ethoxylate, alkylpolyglycoside, alkyldimethylamineoxide, ethoxylated fatty acid monoethanolamide, fatty acid monoethanolamide, polyhydroxy alkyl fatty acid amide, or N-acyl N-alkyl derivatives of glucosamine (“glucamides”).
  • Nonionic surfactants that may be used include the primary and secondary alcohol ethoxylates, especially the C 8 -C 7 aliphatic alcohols ethoxylated with an average of from 1 to 35 moles of ethylene oxide per mole of alcohol, and more especially the Ci 0 -Ci 5 primary and secondary aliphatic alcohols ethoxylated with an average of from 1 to 10 moles of ethylene oxide per mole of alcohol.
  • the one or more enzymes may be in any suitable. It is to be understood that enzyme variants (produced, for example, by recombinant techniques) are included within the meaning of the term "enzyme”. Examples of such enzyme variants are disclosed, e.g., in EP 251 ,446 (Genencor), WO 91/00345 (Novo Nordisk), EP 525,610 (Solvay) and WO 94/02618 (Gist-Brocades NV).
  • the types of enzymes which may appropriately be incorporated in granules of the invention include oxidoreductases, transferases hydrolases, lyases, isomerases and ligases, that is, respectively (EC 1.-.-.-), (EC 2.-.-.-), (EC 3.-.-.-), (EC 4.-.-.-), (EC 5.-.-.-), (EC 6.-.-.-), wherein such enzyme classification is in accordance with Recommendations (1992) of the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology, Academic Press, Inc., 1992.
  • enzymes include proteases, alpha-amylases, cellulases, lipases, peroxidases/oxidases, pectate lyases, and mannanases, or mixtures thereof. Most preferred enzymes are proteases.
  • Suitable proteases include those of animal, vegetable or microbial origin. Microbial origin is preferred. Chemically modified or protein engineered mutants are included.
  • the protease may be a serine protease or a metallo protease, preferably an alkaline microbial protease or a trypsin-like protease.
  • alkaline proteases are subtilisins, especially those derived from Bacillus, e.g., subtilisin Novo, subtilisin Carlsberg, subtilisin 309, subtilisin 147 and subtilisin 168 (described in WO 89/06279).
  • Examples of trypsin- like proteases are trypsin (e.g. of porcine or bovine origin) and the Fusarium protease described in WO 89/06270 and WO 94/25583.
  • proteases examples include the variants described in WO 92/19729, WO 98/201 15, WO 98/20116, and WO 98/34946, especially the variants with substitutions in one or more of the following positions: 27, 36, 57, 76, 87, 97, 101 , 104, 120, 123, 167, 170, 194, 206, 218, 222, 224, 235 and 274.
  • Preferred commercially available protease enzymes include AlcalaseTM, SavinaseTM, PrimaseTM, DuralaseTM, DyrazymTM, EsperaseTM,
  • EverlaseTM, PolarzymeTM, and KannaseTM (Novozymes A/S), MaxataseTM, MaxacalTM, MaxapemTM, ProperaseTM, PurafectTM, Purafect OxPTM, FN2TM, and FN3TM (Genencor International Inc.).
  • Suitable lipases include those of bacterial or fungal origin. Chemically modified or protein engineered mutants are included. Examples of useful lipases include lipases from Humicola (synonym Thermomyces), e.g. from H. lanuginosa (T. lanuginosus) as described in EP 258 068 and EP 305 216 or from H. insolens as described in WO 96/13580, a Pseudomonas lipase, e.g. from P. alcaligenes or P. pseudoalcaligenes (EP 218 272), P. cepacia (EP 331 376), P. stutzeri (GB 1 ,372,034), P.
  • lipase variants such as those described in WO 92/05249, WO 94/01541 , EP 407 225, EP 260 105, WO 95/35381 , WO 96/00292, WO 95/30744, WO 94/25578,WO 95/14783, WO 95/22615, WO 97/04079 and WO 97/07202.
  • LipolaseTM and Lipolase UltraTM, LipexTM are preferred commercially available lipase enzymes.
  • the method of the invention may be carried out in the presence of cutinase. classified in EC 3.1.1.74.
  • the cutinase used according to the invention may be of any origin.
  • Preferably cutinases are of microbial origin, in particular of bacterial, of fungal or of yeast origin.
  • Cutinases are enzymes which are able to degrade cutin.
  • the cutinase is derived from a strain of Aspergillus, in particular Aspergillus oryzae, a strain of Alternaria, in particular Alternaria brassiciola, a strain of Fusarium, in particular Fusarium solani, Fusarium solani pisi, Fusarium roseum culmorum, or Fusarium roseum sambucium, a strain of Helminthosporum, in particular Helminthosporum sativum, a strain of Humicola, in particular Humicola insolens, a strain of Pseudomonas, in particular
  • the cutinase is derived from a strain of Humicola insolens, in particular the strain Humicola insolens DSM 1800. Humicola insolens cutinase is described in
  • the cutinase may be a variant, such as one of the variants disclosed in WO 00/34450 and WO 01/92502, which are hereby incorporated by reference.
  • Preferred cutinase variants include variants listed in Example 2 of WO 01/92502, which is hereby specifically incorporated by reference.
  • Preferred commercial cutinases include NOVOZYMTM 51032 (available from Novozymes A/S, Denmark).
  • phospholipase classified as EC 3.1.1.4 and/or EC 3.1.1.32.
  • phospholipase is an enzyme which has activity towards phospholipids.
  • Phospholipids such as lecithin or phosphatidylcholine, consist of glycerol esterified with two fatty acids in an outer (sn-1 ) and the middle (sn-2) positions and esterified with phosphoric acid in the third position; the phosphoric acid, in turn, may be esterified to an amino-alcohol.
  • Phospholipases are enzymes which participate in the hydrolysis of phospholipids.
  • phospholipases A 1 and A 2 which hydrolyze one fatty acyl group (in the sn-1 and sn-2 position, respectively) to form lysophospholipid
  • lysophospholipase or phospholipase B
  • Phospholipase C and phospholipase D release diacyl glycerol or phosphatidic acid respectively.
  • phospholipase includes enzymes with phospholipase activity, e.g., phospholipase A (A 1 or A 2 ), phospholipase B activity, phospholipase C activity or phospholipase D activity.
  • phospholipase A used herein in connection with an enzyme of the invention is intended to cover an enzyme with Phospholipase A 1 and/or Phospholipase A 2 activity.
  • the phospholipase activity may be provided by enzymes having other activities as well, such as, e.g., a lipase with phospholipase activity.
  • the phospholipase activity may, e.g., be from a lipase with phospholipase side activity.
  • the phospholipase enzyme activity is provided by an enzyme having essentially only phospholipase activity and wherein the phospholipase enzyme activity is not a side activity.
  • the phospholipase may be of any origin, e.g., of animal origin (such as, e.g., mammalian), e.g. from pancreas (e.g., bovine or porcine pancreas), or snake venom or bee venom.
  • animal origin such as, e.g., mammalian
  • pancreas e.g., bovine or porcine pancreas
  • snake venom or bee venom e.g., from snake venom or bee venom.
  • the phospholipase may be of microbial origin, e.g., from filamentous fungi, yeast or bacteria, such as the genus or species Aspergillus, e.g., A. niger; Dictyostelium, e.g., D. discoideum; Mucor, e.g. M. javanicus, M. mucedo, M.
  • subtilissimus Neurospora, e.g. N. crassa; Rhizomucor, e.g., R. pusillus; Rhizopus, e.g. R. arrhizus, R. japonicus, R. stolonifer; Sclerotinia, e.g., S. libertiana; Trichophyton, e.g. T. rubrum; Whetzelinia, e.g., W. sclerotiorum; Bacillus, e.g., B. megaterium, B. subtilis; Citrobacter, e.g., C. freundii; Enterobacter, e.g., E. aerogenes, E.
  • the phospholipase may be fungal, e.g., from the class Pyrenomycetes, such as the genus Fusarium, such as a strain of F. culmorum, F. heterosporum, F. solani, or a strain of F. oxysporum.
  • the phospholipase may also be from a filamentous fungus strain within the genus Aspergillus, such as a strain of Aspergillus awamori, Aspergillus foetidus, Aspergillus japonicus, Aspergillus niger or Aspergillus oryzae.
  • Preferred phospholipases are derived from a strain of Humicola, especially Humicola lanuginosa.
  • the phospholipase may be a variant, such as one of the variants disclosed in WO 00/32758, which are hereby incorporated by reference.
  • Preferred phospholipase variants include variants listed in Example 5 of WO 00/32758, which is hereby specifically incorporated by reference.
  • the phospholipase is one described in WO 04/1 11216, especially the variants listed in the table in Example 1.
  • the phospholipase is derived from a strain of Fusarium, especially Fusarium oxysporum.
  • the phospholipase may be the one concerned in WO 98/026057 derived from Fusarium oxysporum DSM 2672, or variants thereof.
  • the phospholipase is a phospholipase A 1 (EC. 3.1.1.32).
  • the phospholipase is a phospholipase A 2 (EC.3.1.1.4.).
  • Examples of commercial phospholipases include LECITASETM and LECITASETM ULTRA, YIELSMAX, or LIPOPAN F (available from Novozymes A/S, Denmark).
  • Suitable amylases include those of bacterial or fungal origin.
  • Amylases include, for example, alpha-amylases obtained from Bacillus, e.g. a special strain of B. licheniformis, described in more detail in GB 1 ,296,839, or the Bacillus sp. strains disclosed in WO 95/026397 or WO 00/060060.
  • alpha-amylases obtained from Bacillus, e.g. a special strain of B. licheniformis, described in more detail in GB 1 ,296,839, or the Bacillus sp. strains disclosed in WO 95/026397 or WO 00/060060.
  • Examples of useful amylases are the variants described in WO 94/02597, WO 94/18314, WO 96/23873, WO 97/43424, WO 01/066712, WO 02/010355, WO 02/031124 and PCT/DK2005/000469 (which references all incorporated by reference).
  • amylases are DuramylTM, TermamylTM, Termamyl UltraTM,
  • Suitable cellulases include those of bacterial or fungal origin. Chemically modified or protein engineered mutants are included. Suitable cellulases include cellulases from the genera Bacillus, Pseudomonas, Humicola, Fusarium, Thielavia, Acremonium, e.g. the fungal cellulases produced from Humicola insolens, Thielavia terrestris, Myceliophthora thermophila, and Fusarium oxysporum disclosed in US 4,435,307, US 5,648,263, US 5,691 ,178, US 5,776,757, WO 89/09259, WO 96/029397, and WO 98/012307.
  • cellulases are the alkaline or neutral cellulases having color care benefits.
  • Examples of such cellulases are cellulases described in EP 0 495 257, EP 0 531 372, WO 96/1 1262, WO 96/29397, WO 98/08940.
  • Other examples are cellulase variants such as those described in WO 94/07998, EP 0 531 315, US 5,457,046, US 5,686,593, US 5,763,254, WO 95/24471 , WO 98/12307 and PCT/DK98/00299.
  • cellulases include CelluzymeTM, CarezymeTM, EndolaseTM, RenozymeTM (Novozymes A/S), ClazinaseTM and Puradax HATM (Genencor International Inc.), and KAC-500(B)TM (Kao Corporation).
  • Suitable peroxidases/oxidases include those of plant, bacterial or fungal origin.
  • peroxidases Chemically modified or protein engineered mutants are included.
  • useful peroxidases include peroxidases from Coprinus, e.g. from C. cinereus, and variants thereof as those described in WO 93/24618, WO 95/10602, and WO 98/15257.
  • Commercially available peroxidases include GuardzymeTM and NovozymTM 51004 (Novozymes A/S).
  • pectate lyases examples include pectate lyases that have been cloned from different bacterial genera such as Erwinia, Pseudomonas, Klebsiella and Xanthomonas, as well as from Bacillus subtilis (Nasser et al. (1993) FEBS Letts. 335:319-326) and Bacillus sp. YA-14 (Kim et al. (1994) Biosci. Biotech. Biochem. 58:947-949). Purification of pectate lyases with maximum activity in the pH range of 8-10 produced by Bacillus pumilus (Dave and Vaughn (1971 ) J. Bacteriol. 108:166-174), B.
  • the pectate lyase comprises the amino acid sequence of a pectate lyase disclosed in Heffron et al., (1995) MoI. Plant-Microbe Interact. 8: 331-334 and Henrissat et al., (1995) Plant Physiol. 107: 963-976.
  • pectatel lyases are disclosed in WO 99/27083 and WO 99/27084.
  • pectate lyases derived from Bacillus licheniformis is disclosed in US patent no. 6,284,524 (which document is hereby incorporated by reference).
  • pectate lyase variants are disclosed in WO 02/006442, especially the variants disclosed in the Examples in WO 02/006442 (which document is hereby incorporated by reference).
  • alkaline pectate lyases examples include BIOPREPTM and SCOURZYMETM L from Novozymes A/S, Denmark.
  • mannanases examples include mannanases of bacterial and fungal origin.
  • the mannanase is derived from a strain of the filamentous fungus genus Aspergillus, preferably Aspergillus niger or Aspergillus aculeatus (WO 94/25576).
  • WO 93/24622 discloses a mannanase isolated from Trichoderma reseei. Mannanases have also been isolated from several bacteria, including Bacillus organisms. For example, Talbot et al., Appl. Environ. Microbiol., Vol.56, No. 11 , pp.
  • JP-A-03047076 discloses a beta-mannanase derived from Bacillus sp.
  • JP-A-63056289 describes the production of an alkaline, thermostable beta-mannanase.
  • JP-A-63036775 relates to the Bacillus microorganism FERM P-8856 which produces beta-mannanase and beta- mannosidase.
  • JP-A-08051975 discloses alkaline beta-mannanases from alkalophilic Bacillus sp. AM-001.
  • a purified mannanase from Bacillus amyloliquefaciens is disclosed in WO 97/1 1 164.
  • WO 91/18974 describes a hemicellulase such as a glucanase, xylanase or mannanase active.
  • mannanases examples include MannawayTM available from Novozymes A/S Denmark.
  • Any enzyme present in the composition may be stabilized using conventional stabilizing agents, e.g., a polyol such as propylene glycol or glycerol, a sugar or sugar alcohol, lactic acid, boric acid, or a boric acid derivative, e.g., an aromatic borate ester, or a phenyl boronic acid derivative such as 4-formylphenyl boronic acid, and the composition may be formulated as described in e.g. WO 92/19709 and WO 92/19708.
  • a polyol such as propylene glycol or glycerol
  • a sugar or sugar alcohol lactic acid, boric acid, or a boric acid derivative, e.g., an aromatic borate ester, or a phenyl boronic acid derivative such as 4-formylphenyl boronic acid
  • hydrotrope generally means a compound with the ability to increase the solubilities, preferably aqueous solubilities, of certain slightly soluble organic compounds.
  • hydrotropes include sodium xylene sulfonate, SCM.
  • the composition may comprise a solvent such as water or an organic solvent such as isopropyl alcohol or glycol ethers. Solvents may be present in liquid or gel compositions.
  • the composition may contain a metal chelating agent such as carbonates, bicarbonates, and sesquicarbonates.
  • the metal chelating agent can be a bleach stabiliser (i.e. heavy metal sequestrant).
  • Suitable bleach stabilisers include ethylenediamine tetraacetate (EDTA), diethylenetriamine pentaacetate (DTPA), ethylenediamine disuccinate (EDDS), and the polyphosphonates such as the Dequests (Trade Mark), ethylenediamine tetramethylene phosphonate (EDTMP) and diethylenetriamine pentamethylene phosphate (DETPMP).
  • EDTA ethylenediamine tetraacetate
  • DTPA diethylenetriamine pentaacetate
  • EDDS ethylenediamine disuccinate
  • polyphosphonates such as the Dequests (Trade Mark), ethylenediamine tetramethylene phosphonate (EDTMP) and diethylenetriamine pentamethylene phosphate (DETPMP).
  • Builder materials may be selected from 1 ) calcium sequestrant materials, 2) precipitating materials, 3) calcium ion-exchange materials and 4) mixtures thereof.
  • calcium sequestrant builder materials examples include alkali metal polyphosphates, such as sodium tripolyphosphate and organic sequestrants, such as ethylene diamine tetra-acetic acid.
  • precipitating builder materials examples include sodium orthophosphate and sodium carbonate.
  • Examples of calcium ion-exchange builder materials include the various types of water- insoluble crystalline or amorphous aluminosilicates, of which zeolites are the best known representatives, e.g. zeolite A, zeolite B (also known as zeolite P), zeolite C, zeolite X, zeolite Y and also the zeolite P-type as described in E P-A-0, 384, 070.
  • zeolites are the best known representatives, e.g. zeolite A, zeolite B (also known as zeolite P), zeolite C, zeolite X, zeolite Y and also the zeolite P-type as described in E P-A-0, 384, 070.
  • the composition may also contain 0-65 % of a builder or complexing agent such as ethylenediaminetetraacetic acid, diethylenetriamine-pentaacetic acid, alkyl- or alkenylsuccinic acid, nitrilotriacetic acid or the other builders mentioned below.
  • a builder or complexing agent such as ethylenediaminetetraacetic acid, diethylenetriamine-pentaacetic acid, alkyl- or alkenylsuccinic acid, nitrilotriacetic acid or the other builders mentioned below.
  • Many builders are bleach-stabilising agents by virtue of their ability to complex metal ions.
  • compositions may suitably contain less than 7%wt, preferably less than 10% by weight, and most preferably less than 10%wt of detergency builder.
  • the composition may contain as builder a crystalline aluminosilicate, preferably an alkali metal aluminosilicate, more preferably a sodium aluminosilicate. This is typically present at a level of less than 15%w.
  • Aluminosilicates are materials having the general formula:
  • M is a monovalent cation, preferably sodium.
  • M a monovalent cation, preferably sodium.
  • These materials contain some bound water and are required to have a calcium ion exchange capacity of at least 50 mg CaO/g.
  • the preferred sodium aluminosilicates contain 1.5-3.5 SiO 2 units in the formula above. They can be prepared readily by reaction between sodium silicate and sodium aluminate, as amply described in the literature.
  • the ratio of surfactants to alumuminosilicate (where present) is preferably greater than 5:2, more preferably greater than 3:1.
  • phosphate builders may be used.
  • 'phosphate' embraces diphosphate, triphosphate, and phosphonate species.
  • Other forms of builder include silicates, such as soluble silicates, metasilicates, layered silicates (e.g. SKS-6 from Hoechst).
  • carbonate including bicarbonate and sesquicarbonate
  • citrate may be employed as builders.
  • the composition may comprise one or more polymers.
  • polymers include carboxymethylcellulose, poly(vinylpyrrolidone), poly (ethylene glycol), polyvinyl alcohol), poly(vinylpyridine-N-oxide), poly(vinylimidazole), polycarboxylates such as polyacrylates, maleic/acrylic acid copolymers and lauryl methacrylate/acrylic acid copolymers.
  • Modern detergent compositions typically employ polymers as so-called 'dye-transfer inhibitors'. These prevent migration of dyes, especially during long soak times.
  • Any suitable dye-transfer inhibition agents may be used in accordance with the present invention.
  • such dye-transfer inhibiting agents include polyvinyl pyrrolidone polymers, polyamine N-oxide polymers, copolymers of N-vinylpyrrolidone and N- vinylimidazole, manganese pthalocyanine, peroxidases, and mixtures thereof. Nitrogen-containing, dye binding, DTI polymers are preferred. Of these polymers and copolymers of cyclic amines such as vinyl pyrrolidone, and/or vinyl imidazole are preferred.
  • Preferred polyamine N-oxides are those wherein R is a heterocyclic group such as pyridine, pyrrole, imidazole, pyrrolidine, piperidine and derivatives thereof.
  • the amine oxide unit of the polyamine N-oxides has a pKa ⁇ 10, preferably pKa ⁇ 7, more preferably pKa ⁇ 6.
  • Any polymer backbone can be used provided the amine oxide polymer formed is water- soluble and has dye transfer inhibiting properties.
  • suitable polymeric backbones are polyvinyls, polyalkylenes, polyesters, polyethers, polyamides, polyimides, polyacrylates and mixtures thereof. These polymers include random or block copolymers where one monomer type is an amine N-oxide and the other monomer type is an N-oxide.
  • the amine N-oxide polymers typically have a ratio of amine to the amine N-oxide of 10:1 to 1 :1 ,000,000. However, the number of amine oxide groups present in the polyamine oxide polymer can be varied by appropriate copolymerization or by an appropriate degree of N-oxidation.
  • the polyamine oxides can be obtained in almost any degree of polymerization. Typically, the average molecular weight is within the range of 500 to 1 ,000,000; more preferably 1 ,000 to 500,000; most preferably 5,000 to 100,000. This preferred class of materials is referred to herein as "PVNO".
  • a preferred polyamine N- oxide is poly(4-vinylpyridine-N-oxide) which as an average molecular weight of about 50,000 and an amine to amine N-oxide ratio of about 1 :4.
  • Copolymers of N-vinylpyrrolidone and N-vinylimidazole polymers (as a class, referred to as "PVPVI”) are also preferred.
  • the PVPVI has an average molecular weight range from 5,000 to 1 ,000,000, more preferably from 5,000 to 70,000, and most preferably from 10,000 to 7,000, as determined by light scattering as described in Barth, et al., Chemical Analysis, Vol. 113. "Modern Methods of Polymer Characterization".
  • the preferred PVPVI copolymers typically have a molar ratio of N-vinylimidazole to N- vinylpyrrolidone from 1 :1 to 0.2:1 , more preferably from 0.8:1 to 0.3:1 , most preferably from 0.6:1 to 0.4:1. These copolymers can be either linear or branched.
  • Suitable PVPVI polymers include Sokalan (TM) HP56, available commercially from BASF, Ludwigshafen, Germany.
  • PVP polyvinylpyrrolidone polymers
  • PVP's are disclosed for example in EP-A-262,897 and EP-A-256,696.
  • Suitable PVP polymers include Sokalan (TM) HP50, available commercially from BASF.
  • Compositions containing PVP can also contain polyethylene glycol (“PEG”) having an average molecular weight from about 500 to about 100,000, preferably from about 1 ,000 to about 10,000.
  • PEG polyethylene glycol
  • the ratio of PEG to PVP on a ppm basis delivered in wash solutions is from about 2:1 to about 50:1 , and more preferably from about 3:1 to about 10:1.
  • modified polyethyleneimine polymers are water-soluble or dispersible, modified polyamines.
  • Modified polyamines are further disclosed in US-A-4,548,744; US-A- 4,597,898; US-A- 4,877,896; US-A- 4,891 , 160; US-A- 4,976,879; US-A-5,415,807; GB-A-1 ,537,288; GB-A-1 ,498,57; DE-A-28 29022; and JP-A-06313271.
  • the composition according to the present invention comprises a dye transfer inhibition agent selected from polyvinylpyrridine N-oxide (PVNO), polyvinyl pyrrolidone (PVP), polyvinyl imidazole, N-vinylpyrrolidone and N-vinylimidazole copolymers (PVPVI), copolymers thereof, and mixtures thereof.
  • the amount of dye transfer inhibition agent in the composition according to the present invention will be from 0.01 to 10 %, preferably from 0.02 to 5 %, more preferably from 0.03 to 2 %, by weight of the composition.
  • composition may also contain other conventional detergent ingredients such as e.g. fabric conditioners including clays, foam boosters, suds suppressors (anti-foams), anti- corrosion agents, soil-suspending agents, anti-soil redeposition agents, further dyes, anti- microbials, optical brighteners, tarnish inhibitors, or perfumes.
  • fabric conditioners including clays, foam boosters, suds suppressors (anti-foams), anti- corrosion agents, soil-suspending agents, anti-soil redeposition agents, further dyes, anti- microbials, optical brighteners, tarnish inhibitors, or perfumes.
  • Figure 1 shows a packaged laundry product according to one embodiment of the invention.
  • the product 1 comprises a flowable laundry composition 3 contained in a package 5, the high viscosity laundry composition 3 according to Example A or B detailed below.
  • the package comprises a compressible container, in this example a plastic bottle 7 storing the flowable, high viscosity laundry gel 3 and a dispensing device 9 incorporating a fabric pretreatment device 11.
  • the dispensing device 9 is located at the base 13 of the container 7 and is enclosed by a dosing closure device 13.
  • the closure 13 comprises the supportive base 13 of the package 5.
  • the bottle 7 and dispensing device 9 (incorporating pretreater 11 ) are attached to each other by threaded connection.
  • the closure 13 is attached to the bottle also by a threaded connection. (Threaded connections not shown).
  • the closure 13 is connected to the bottle 7 using a snap-on connection, which negates the requirement to rotate the bottle/closure to open shut.
  • the bottle 7 is fabricated from a flexible plastic material comprising polyethylene terephthalate.
  • the top 21 of the bottle is shown flat but in other embodiments it may be curved as shown in dotted line 22 to discourage storage top-down.
  • the closure 13 includes an enlarged (with respect to at least the neck region of the bottle) flat, generally planar bottom surface 15. By providing an enlarged flat top surface 15, the surface allows the closure 13 to function as a supportive base 13 with the bottle 7 in an inverted position thereby allowing the high viscosity gel 3 to accumulate (under gravity) during storage at the dispensing device 9.
  • the closure 13 includes a reservoir portion 17 in which the pretreater 11 is enclosed 26.
  • the closure is taped outwardly toward the surface 15 to provide a stable base.
  • the area of the surface 15 is greater than that of the top 21 of the device.
  • the dispensing device 9 comprises an orifice through which dispensing may occur.
  • the orifice includes a valve 21 in fluid communication via duct 23.
  • the valve 21 comprises a membrane extending across an orifice 25 in the dispensing part 9.
  • the membrane has an arcuate portion (not shown) directed toward the container 7.
  • the arcuate portion of the membrane is provided with a intersecting slits to define a plurality of generally triangular leaves.
  • the triangular leaves bend toward the open end of the orifice 25 allowing product to pass through the orifice 25.
  • the dispensing pressure is released, the triangular leaves spring back to their original position and operate to block passage of product through the orifice 25.
  • the leaves of the valve are sufficiently resilient that they do not bend open unless the applied pressure exceeds the hydraulic static head pressure generated by a full of condiment.
  • the fluid is pressurised to flow past and partially collect on the pretreater part 1 1 ready for cleaning.
  • composition A is according to the invention.
  • Borax Sodium tetraborate (10aq) nonionic surfactant: ethoxylated alcohol with on average 9 ethylene oxide groups.
  • composition A The gel detergent composition exemplified by composition A was found to be shear thinning and stable. Furthermore, typical detergent particles of density between 0.8 and 0.9 g/cm3 and having a diameter up to 5000 microns could be stable suspended in this composition for more than 2 weeks without any observable net movement of the particles.
  • Viscosity was measured at varying shear rates from very low shear up to a shear regime in excess of 100 s ' ⁇ Two situations are shown: the viscosity measured at relatively low shear (20 s "1 ) and that measured at much higher shear (100 s "1 ). It can be seen that the viscosity of composition A at high shear is much lower than that obtained at low shear, whereas composition B shows almost equal viscosity's for high and low shear. In other words composition A is clearly shear thinning, whereas composition B is not.
  • Tan delta values are shown, referring to the ratio of loss over storage moduli (G 1 VG') and reflecting the dominance of viscous over elastic properties such that materials giving very low “Tan delta”-values (tending to zero, such as composition A in the above table), will be much more elastic than those giving higher “Tan delta” values (tending to 90).
  • composition C is according to the invention and composition D is a comparative composition according to the prior art:
  • Component Wt %
  • Borax Sodium tetraborate (10aq) nonionic surfactant: ethoxylated alcohol with on average 9 ethylene oxide groups
  • Sodium alcohol EO sulphate ethoxylated alcohol sulphate with on average 3 ethylene oxide groups.
  • Composition B was is a stable, transparent, pourable shear thinning liquid, capable of stable suspending typical detergent particles having a density of between 0.8 and 0.9 g/cm3 and a diameter of up to 5000 microns, for more than 2 weeks without any observable net movement of the particles.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
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  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention porte sur un produit de blanchissage conditionné comprenant une composition de blanchissage fluide contenue dans un emballage, (i) la composition de blanchissage fluide ayant une viscosité d'au moins 100 Pa.s, de préférence d'au moins 500 Pa.s, lorsqu'elle est au repos ou jusqu'à une contrainte de cisaillement de 10 Pa, et comprenant au moins un tensioactif et au moins une enzyme ; et (ii) l'emballage comprenant un récipient compressible dans lequel la composition de blanchissage fluide est stockée et un dispositif de distribution qui incorpore un dispositif de prétraitement de tissu et qui est situé à la base du récipient compressible et qui est enfermé dans un dispositif de fermeture doseur fournissant une base de support de l'emballage.
PCT/EP2009/060908 2008-09-12 2009-08-25 Dispositif de distribution et dispositif de prétraitement pour des liquides visqueux Ceased WO2010028941A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BRMU8903145U BRMU8903145Y1 (pt) 2008-09-12 2009-08-25 produto de lavagem embalado
CN2009901004661U CN202181298U (zh) 2008-09-12 2009-08-25 用于粘性液体的分配器和预处理器
ES201190002U ES1076140Y (es) 2008-09-12 2009-08-25 Dispensador y pretratador para liquidos viscosos
DE212009000119U DE212009000119U1 (de) 2008-09-12 2009-08-25 Spender und Vorbehandlungsmittel für viskose Flüssigkeiten

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08164212.6 2008-09-12
EP08164212 2008-09-12

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CN (1) CN202181298U (fr)
AR (2) AR073570A1 (fr)
BR (1) BRMU8903145Y1 (fr)
CL (1) CL2011000518U1 (fr)
DE (1) DE212009000119U1 (fr)
ES (1) ES1076140Y (fr)
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WO2011163457A1 (fr) * 2010-06-23 2011-12-29 The Procter & Gamble Company Produit pour le prétraitement et le blanchissage de tissu taché
WO2013038162A1 (fr) * 2011-09-13 2013-03-21 Reckitt Benckiser N.V. Appareil et procédé d'utilisation de ce dernier
WO2013114088A1 (fr) * 2012-02-03 2013-08-08 Reckitt Benckiser N.V. Distributeur-doseur pour détergent liquide, et procédé de lavage
US8828920B2 (en) 2011-06-23 2014-09-09 The Procter & Gamble Company Product for pre-treatment and laundering of stained fabric
US10844336B2 (en) 2018-01-16 2020-11-24 The Procter & Gamble Company Cleaning product comprising an inverted container assembly and a viscous cleaning composition
US10934510B2 (en) 2018-01-16 2021-03-02 The Procter & Gamble Company Cleaning product comprising an inverted container assembly and a viscoelastic cleaning composition
USD1076297S1 (en) 2023-07-10 2025-05-20 Church & Dwight Co., Inc. Dispenser

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US20140001071A1 (en) * 2012-06-29 2014-01-02 Michael David Sanders Package for laundry detergent having apparent pre-treat capability
GB201406268D0 (en) * 2014-04-08 2014-05-21 Pq Silicas Uk Ltd Particulate zeolite composition

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DE212009000119U1 (de) 2011-12-30
AR106966A2 (es) 2018-03-07
CL2011000518U1 (es) 2011-10-14
BRMU8903145U2 (pt) 2015-05-26
BRMU8903145Y1 (pt) 2017-05-09
AR073570A1 (es) 2010-11-17
ES1076140Y (es) 2012-05-08

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