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WO2010072288A2 - Suspension destinée à traiter des filtres ou des matériaux filtrants, procédé de traitement de filtres ou matériaux filtrants et filtres ou matériaux filtrants pourvus d'un revêtement biocide - Google Patents

Suspension destinée à traiter des filtres ou des matériaux filtrants, procédé de traitement de filtres ou matériaux filtrants et filtres ou matériaux filtrants pourvus d'un revêtement biocide Download PDF

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Publication number
WO2010072288A2
WO2010072288A2 PCT/EP2009/008152 EP2009008152W WO2010072288A2 WO 2010072288 A2 WO2010072288 A2 WO 2010072288A2 EP 2009008152 W EP2009008152 W EP 2009008152W WO 2010072288 A2 WO2010072288 A2 WO 2010072288A2
Authority
WO
WIPO (PCT)
Prior art keywords
filter
biocidal
filters
suspension
glass
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2009/008152
Other languages
German (de)
English (en)
Other versions
WO2010072288A3 (fr
Inventor
Hans-Jürgen VOSS
Uwe Ferner
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.)
Trovotech GmbH
Original Assignee
Trovotech GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Trovotech GmbH filed Critical Trovotech GmbH
Publication of WO2010072288A2 publication Critical patent/WO2010072288A2/fr
Publication of WO2010072288A3 publication Critical patent/WO2010072288A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • B01D46/121—V-type arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
    • C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/23—Solid substances, e.g. granules, powders, blocks, tablets
    • A61L2/232—Solid substances, e.g. granules, powders, blocks, tablets layered or coated
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/01—Deodorant compositions
    • A61L9/012—Deodorant compositions characterised by being in a special form, e.g. gels, emulsions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0471—Surface coating material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/60—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for the intake of internal combustion engines or turbines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/168—Use of other chemical agents

Definitions

  • the present invention relates to a suspension for treating filters or filter materials and to a method of treating filters or filter materials and filters or filter materials having a biocidal coating.
  • These filter materials are primarily used in air filters of air conditioning systems, including air heating and / or air cooling systems. However, the application is not limited to these areas.
  • Air conditioners in vehicles, homes, offices, clean room production facilities, medical facilities and other buildings contain air filters.
  • the task of the filter is usually to separate air contaminants, such as the smallest solid particles, from the air stream.
  • the filter material can consist of very different materials. For example, from natural materials such as celluloses, inorganic materials such as glasses or ceramics and organic polymer materials such as polyamide, polyester or polypropylene.
  • the airborne particulates suspended in the filters contain microbes and spores. During periods of high humidity or with no filters running, the conditions for the growth of
  • Pathogens such as bacteria, fungi, yeasts and viruses on this filter material particularly favorable. Many of these microorganisms are not completely retained by the filter and thus reach the room to be ventilated and thus in contact with humans and other living beings.
  • the filter material is also severely limited by microbial growth in its performance or even completely unusable.
  • Endotoxins and mycotoxins can cause very harmful effects in humans, eg. As carcinogenic, mutagenic or neurotoxic, cause or cause allergic reactions.
  • the patent DE 101 22 753 Al or WO 2002 092890 A3 describes antimicrobial fibers which consist of polymer blends with at least one antimicrobial polymer and at least one further non-antimicrobial polymer. No inorganic biocides are listed. The biocides should be incorporated into the polymer, which severely limits biocidal activity in filter materials, especially air filters.
  • Patent specification DE 10 2005 056 537 A1 describes a complicated multilayer adsorption filter material with a biological and chemical protective function, wherein the filter material consists of several layers with a catalytically active component and at least one adsorption layer and a carrier layer and a protective function against poisons and pollutants is to be achieved , Activated carbon acts as the adsorption layer.
  • the layers with the catalytic components consist of a textile fabric in which metals or metal compounds are incorporated.
  • the filter material is very complicated and serves primarily to protect against chemical and biological warfare agents and toxins.
  • One Another disadvantage is that it can only be used as a filter in one direction.
  • the patent DE 10 2004 008 931 B4 claims the use of porous glasses, glass powders, glass ceramics or glass ceramic powders for receiving and dispensing substances or as absorbent of substances with and without filling in cosmetics.
  • the porous glass powders / glass ceramic powders are produced via phase separation by tempering the glass with subsequent removal of at least one phase with an acidic solution, via a sintering process or via an organometallic or inorganic sol-gel process.
  • the porous glass powder / glass ceramics are therefore not made of glass foam and an application in filter materials is not claimed.
  • the patent EP 1 927 694 A1 claims a process for the antimicrobial finishing of fibers and / or textiles with desensitized silver components, whereby at the same time the discoloration by the silver component is to be minimized.
  • water-insoluble silver salts or in situ formed silver salt are claimed as the silver component.
  • the "water-insoluble salts” release only very small amounts of silver ions. The release is further minimized by additional auxiliaries for fixing the silver salt particles, meaning that effective amounts of silver ions can only be released at full water saturation.These fibers and textiles can not be used Claimed filter material.
  • Altematives such as membrane systems, which also ceramics are to be understood, have only a barrier function, that is, the microorganisms remain on the membrane surface and from the accumulated yeasts and fungi more spores can pass through the air filter.
  • the suspension contains at least biocidal, porous, amorphous, hydrophilic silver-containing glass powder produced from extruded glass foam and water.
  • the suspension of the invention contains 0.1 to 25 weight percent, more preferably 1 to 10 weight percent, biocidal, porous, hydrophilic, silver-containing glass powder made of extruded glass foam. Preference is furthermore given to the biocidal, porous, hydrophilic silver-containing glass powder of extruded glass foam, wherein the silver is present in ionic form at least in a proportion of 40 to 100 percent by weight, - the porous glass particles of the glass foam consist of silicate or borosilicate glasses,
  • the framework density of the glass matrix of these silicate or borosilicate glasses is between 1.0 and 2.0 g / cm 3 and
  • the object of the invention is also achieved by a method for the treatment of filters or filter materials with the suspension according to the invention having the features according to claim 11.
  • a further aspect of the invention relates to filters or filter materials having a biocidal coating with the features according to claim 13.
  • filter material is that part of the filter which filters out the impurities.
  • a filter can consist of various filter materials, wherein the filter materials, for example, folded, connected or can be accommodated in a mold and give the filter.
  • the antimicrobial suspension consists of porous, hydrophilic, amorphous, silver-containing glass powder and water. It may also contain surfactants for better wetting of the filter material. In addition, depending on the filter material, the use of further rheological additives is possible, which may be agents for viscosity modification, gelling or thickening agents.
  • suspensions are referred to as mixtures of solids having a particle size of 1 ⁇ m to 1 mm and liquid.
  • the term "dispersion” refers to mixtures of solids having a particle size ⁇ 1 ⁇ m and liquids.
  • the biocidal glass particles described here contain partial quantities with a particle size ⁇ 1 ⁇ m, but also glass particles with a particle size> 1 ⁇ m.
  • suspensions also include dispersions having particle sizes of the biocidal, porous, amorphous, hydrophilic glass particles ⁇ 1 ⁇ m.
  • the suspension is prepared by mixing all of the components, with mixing also including stirring, shaking, dispersing and other customary processes for preparing a suspension.
  • Drinking water can be used to prepare the suspension.
  • distilled water should preferably be used since drinking water often contains chloride ions which reduce the biocidal effect of the silver ions.
  • the suspension may contain rheological additives to modify the viscosity to achieve good dispersion of the suspension on and / or in the filter or filter material. At the same time, however, a dripping of the suspension should be minimized by using the rheological additives.
  • the amount of the rheological additives used may vary depending on the chemical and physical properties of the filter or filter material.
  • the suspension may contain surfactants to achieve a better distribution of the suspension on the filter or filter material or an impregnation of the filter and / or filter material. In this context, surfactants should reduce the surface tension of the filter or filter material and prevent beading of the suspension. Depending on the surface properties of the filter or filter material, anionic and / or nonionic and / or cationic and / or amphoteric surfactants can be used.
  • the antimicrobial long-term effect of the suspension is based on the diffusive release of the silver ions and on the formation of an alkaline environment by dissolving OH groups from the surface of the glass particles.
  • the porous biocidal glass particles contained in the suspension contain silver ions and silver nanoparticles, wherein the silver is present in ionic form in the porous glass particles at least in a proportion of 40 to 100 percent by weight.
  • the porous glass particles are obtained by continuous foaming of silicate or borosilicate glasses by means of extruders.
  • the framework density of the glass matrix of these glasses is between 1.0 and 2.0 g / cm 3 and the pore diameter for incorporation of the metal ions is 1.0 ⁇ 10 -10 to 20 ⁇ 10 -10 m.
  • the hydrophilic surface of the porous, amorphous glass foam glass particles absorbs atmospheric moisture and improves the diffusive release of silver ions compared to other non-hydrophilic support materials.
  • the glass compositions used to make the glass foam and the porous, amorphous and hydrophilic glass particles produced therefrom may contain other metals which act as a bacteriocidal or fungicidal ion. These metals may be in particular zinc and copper.
  • biocidal suspension In general, it is sufficient to measure the amount of biocidal suspension so that bacteriostatic and fungistatic conditions are created on the filter material. However, in some applications it may also be necessary to use higher concentrations of the biocidal suspension to kill the microorganisms on the filter.
  • the amount of biocidal suspension applied to the filter material should be between 10 and 500 percent by weight, preferably between 20 and 200 percent by weight, relative to the filter material.
  • the silver content, calculated as metallic silver, of the suspension-equipped filter or filter material should be between 10 and 5000 ppm, preferably between 50 and 500 ppm, taking as reference the dry filter material.
  • the antimicrobial active ingredient silver and the carrier material porous, amorphous, hydrophilic glass foam glass powder, have high environmental compatibility and are largely unproblematic in terms of health.
  • the support material, porous, amorphous glass powder of glass foam, equipped with the biocidal silver, results in a good distribution of the biocidal silver in the Suspension.
  • a passenger car air filter (type KF 049 DE of the company Mann + Hummel, activated carbon filter 300 x 99.5 x 30 mm) was impregnated with this suspension by means of an aerosol spray can. The filter was dried.
  • the two air filters were taken from a car Audi A6 after 30,000 km mileage (Al and Bl in Table 1) and examined as a blank sample for colonization with bacteria and molds, respectively for the unfiltered air side (upstream) and the clean air side (downstream). The results are included in Table 1.
  • the new air filter impregnated with the described suspension (A2 in Table 1) and, as a comparative sample, a likewise new air filter (B2 in Table 1) were installed in the passenger car. After another 30,000 km mileage, the two air filters were removed and also examined for colonization with bacteria and mold. The results are also included in Table 1.
  • bacterial strains such as Staphylococcus aureus (ATCC 25923), Staphylococcus epidermidis (ATCC 12228), Streptococcus pneumoniae (ATCC 6301) Streptococcus pyogenes (ATCC 12344) Neisseria meningitidis (ATCC 13090) and Bacillus cereus (ATCC 11778) can be detected.
  • Staphylococcus aureus ATCC 25923
  • Staphylococcus epidermidis ATCC 12228
  • Streptococcus pneumoniae ATCC 6301
  • Streptococcus pyogenes ATCC 12344
  • Neisseria meningitidis ATCC 13090
  • Bacillus cereus ATCC 11778
  • This nutrient medium simulates a moist environment. By setting a low pH, bacterial growth is inhibited. With this
  • Nutrient media are found on moist surface or moisture loving molds, e.g. Candida albicans (ATCC 10231), Aspergillus niger (ATCC 16404), Saccharomyces cerevisiae (ATCC 9763) and Saccharomyces uvarum (ATCC 9080).
  • Candida albicans ATCC 10231
  • Aspergillus niger ATCC 16404
  • Saccharomyces cerevisiae ATCC 9763
  • Saccharomyces uvarum ATCC 9080.
  • DG 18 agar is a dichloro-glycerol-18% agar with added chloramphenicol. Chloramphenicol addition inhibits bacterial growth. The contained therein 18% glycerol bind the water and serve as an energy source for the Molds. The Dichloren inhibits fast-growing fungi, so that slow-growing species can be detected. Overall, fungi that are found on dry surfaces (dryness-loving), such as Trichoderma longibrachiatum (ATCC 13631), Penicillium funiculosum (ATCC 9644) and also Candida albicans (ATCC 10231), can be detected with this nutrient medium.
  • dryness-loving such as Trichoderma longibrachiatum (ATCC 13631), Penicillium funiculosum (ATCC 9644) and also Candida albicans (ATCC 10231), can be detected with this nutrient medium.
  • the nutrient media for the Abklatschproben were each 5 x 5 cm in size. In each case three samples were taken with each nutrient medium on the raw and clean air side of the filter.
  • the data for the KbE (Colony Forming Units) given in Table 1 are the sum of the three samples, thus referring to a filter area of 75 cm 2 .
  • the swab samples were then incubated at 20 and 36 ° C. for the prescribed periods, respectively, and then the number of colony-forming units determined.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Plant Pathology (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Inorganic Chemistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Filtering Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne une suspension destinée à traiter des filtres ou des matériaux filtrants, un procédé de traitement de filtres ou matériaux filtrants et des filtres ou matériaux filtrants pourvus d'un revêtement biocide. Ces matériaux filtrants sont utilisés prioritairement dans des filtres à air de systèmes de climatisation, y compris des systèmes de chauffage et/ou de refroidissement d'air.
PCT/EP2009/008152 2008-12-16 2009-11-17 Suspension destinée à traiter des filtres ou des matériaux filtrants, procédé de traitement de filtres ou matériaux filtrants et filtres ou matériaux filtrants pourvus d'un revêtement biocide Ceased WO2010072288A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008062125.0 2008-12-16
DE102008062125A DE102008062125A1 (de) 2008-12-16 2008-12-16 Suspension zur Behandlung von Filtern oder Filtermaterialien, Verfahren zur Behandlung von Filtern oder Filtermaterialien und Filter oder Filtermaterialien mit einer bioziden Beschichtung

Publications (2)

Publication Number Publication Date
WO2010072288A2 true WO2010072288A2 (fr) 2010-07-01
WO2010072288A3 WO2010072288A3 (fr) 2011-05-26

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PCT/EP2009/008152 Ceased WO2010072288A2 (fr) 2008-12-16 2009-11-17 Suspension destinée à traiter des filtres ou des matériaux filtrants, procédé de traitement de filtres ou matériaux filtrants et filtres ou matériaux filtrants pourvus d'un revêtement biocide

Country Status (2)

Country Link
DE (1) DE102008062125A1 (fr)
WO (1) WO2010072288A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012005380A1 (de) 2012-03-16 2013-09-19 Daimler Ag Filtermedium
US20140216093A1 (en) * 2012-11-13 2014-08-07 Plexaire Llc Condensate management system and methods
US9487572B2 (en) 2011-07-13 2016-11-08 Case Western Reserve University Non-standard insulin analogues
WO2022161559A1 (fr) * 2021-01-28 2022-08-04 Apodis Gmbh Élément filtrant pour filtrer des virus et/ou des bactéries dans un fluide

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DE102010049425A1 (de) * 2010-10-23 2012-04-26 Gea Heat Exchangers Gmbh Antimikrobielle Speicherfiltervliese mit optionaler flammhemmender Ausrüstung für die allgemeine Raum- und Prozesslufttechnik
DE102020116036B4 (de) 2020-06-17 2022-05-05 Damir Ibrahimovic Lackzusammensetzung und Verwendung derselben

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DE10122753A1 (de) 2001-05-12 2002-11-14 Creavis Tech & Innovation Gmbh Antimikrobielle Fasern und Gewebe
DE102004008931B4 (de) 2003-02-25 2008-01-17 Schott Ag Verwendung von porösen Gläsern, Glaskeramiken, Glaspulvern oder Glaskeramikpulvern in kosmetrischen, medizinischen, bioziden Formulierungen
DE102005056537A1 (de) 2005-11-11 2007-05-16 Bluecher Gmbh Adsorptionsfiltermaterial mit biologischer und chemischer Schutzfunktion und seine Verwendung
JP2007144381A (ja) * 2005-11-25 2007-06-14 Takeshi Yamaura 二酸化チタン担持ガラス発泡体及び光触媒浄化フィルター並びに空気脱臭器
DE102006026033A1 (de) 2006-06-01 2007-12-06 Trovotech Gmbh Verwendung eines Verfahrens zur Herstellung antimikrobieller oder antibakterieller Gläser oder Glaskeramiken
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9487572B2 (en) 2011-07-13 2016-11-08 Case Western Reserve University Non-standard insulin analogues
DE102012005380A1 (de) 2012-03-16 2013-09-19 Daimler Ag Filtermedium
US20140216093A1 (en) * 2012-11-13 2014-08-07 Plexaire Llc Condensate management system and methods
WO2022161559A1 (fr) * 2021-01-28 2022-08-04 Apodis Gmbh Élément filtrant pour filtrer des virus et/ou des bactéries dans un fluide

Also Published As

Publication number Publication date
WO2010072288A3 (fr) 2011-05-26
DE102008062125A1 (de) 2010-07-15

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