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ES2117825T3 - Geles formados por la interaccion de polivinilpirrolidona con derivados de quitosano. - Google Patents

Geles formados por la interaccion de polivinilpirrolidona con derivados de quitosano.

Info

Publication number
ES2117825T3
ES2117825T3 ES95200068T ES95200068T ES2117825T3 ES 2117825 T3 ES2117825 T3 ES 2117825T3 ES 95200068 T ES95200068 T ES 95200068T ES 95200068 T ES95200068 T ES 95200068T ES 2117825 T3 ES2117825 T3 ES 2117825T3
Authority
ES
Spain
Prior art keywords
dressings
poly
vinyl lactam
gel
polyvinylpyrolidone
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.)
Expired - Lifetime
Application number
ES95200068T
Other languages
English (en)
Inventor
Donald H Lorenz
Connie C Lee
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.)
Hydromer Inc
Original Assignee
Hydromer Inc
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 Hydromer Inc filed Critical Hydromer Inc
Application granted granted Critical
Publication of ES2117825T3 publication Critical patent/ES2117825T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; Emulsions
    • A61K8/042—Gels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/32—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers, poly(meth)acrylates, or polyvinyl pyrrolidone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0208—Tissues; Wipes; Patches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0212—Face masks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/736—Chitin; Chitosan; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
    • A61K8/8176—Homopolymers of N-vinyl-pyrrolidones. Compositions of derivatives of such polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0014—Skin, i.e. galenical aspects of topical compositions
    • 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
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/225—Mixtures of macromolecular compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L39/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions of derivatives of such polymers
    • C08L39/04—Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/59—Mixtures
    • A61K2800/594—Mixtures of polymers

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Birds (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Inorganic Chemistry (AREA)
  • Dermatology (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Cosmetics (AREA)
  • Materials For Medical Uses (AREA)
  • Medicinal Preparation (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

UNA COMPOSICION INCLUYE UN GEL ESTABLE DE CITOSAN NEUTRALIZADO Y POLI(LACTO N-VINIL), EL CUAL TIENE UN VALOR K ESTE DE UNOS 60 Y EQUIVALENTES DE MOL DE GRUPOS ACIDOS DISPONIBLES SOBRE 1.4, PREFERENTEMENTE DE PIRROLIDONAS DE ANILLOS ABIERTOS. LA COMPOSICION PUEDE INCLUIR TAMBIEN UN SUSTRATO Y VARIOS ADITIVOS INCORPORADOS AL GEL. UN METODO PARA FABRICAR EL GEL INCLUYE MEZCLAR EL CITOSAN Y EL POLI(LACTO N-VINIL) EN DISOLUCION ACUOSA Y TRATARLO. LOS PRODUCTOS INCLUYEN REVESTIMIENTOS PARA HERIDAS, VENDAS PARA QUEMADURAS, VENDAS LIBERADORAS DE MEDICAMENTOS, MASCARAS FACIALES COSMETICAS Y VENDAS DE CAPA COSMETICA.
ES95200068T 1994-01-13 1995-01-12 Geles formados por la interaccion de polivinilpirrolidona con derivados de quitosano. Expired - Lifetime ES2117825T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/181,625 US5420197A (en) 1994-01-13 1994-01-13 Gels formed by the interaction of polyvinylpyrrolidone with chitosan derivatives

Publications (1)

Publication Number Publication Date
ES2117825T3 true ES2117825T3 (es) 1998-08-16

Family

ID=22665076

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95200068T Expired - Lifetime ES2117825T3 (es) 1994-01-13 1995-01-12 Geles formados por la interaccion de polivinilpirrolidona con derivados de quitosano.

Country Status (11)

Country Link
US (1) US5420197A (es)
EP (1) EP0663212B1 (es)
JP (1) JP3537900B2 (es)
KR (1) KR100349020B1 (es)
AT (1) ATE165011T1 (es)
AU (1) AU682415B2 (es)
CA (1) CA2138351C (es)
DE (1) DE69502029T2 (es)
DK (1) DK0663212T3 (es)
ES (1) ES2117825T3 (es)
TW (1) TW388716B (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009090624A2 (es) 2008-01-18 2009-07-23 Gynopharm S.A. Gel de quitosano para aplicaciones dermatológicas, proceso de obtención y uso del mismo

Families Citing this family (110)

* Cited by examiner, † Cited by third party
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US5420197A (en) 1995-05-30
EP0663212A2 (en) 1995-07-19
KR950031038A (ko) 1995-12-18
CA2138351C (en) 2007-04-10
EP0663212B1 (en) 1998-04-15
CA2138351A1 (en) 1995-07-14
DK0663212T3 (da) 1998-10-07
JPH07250886A (ja) 1995-10-03
DE69502029D1 (de) 1998-05-20
TW388716B (en) 2000-05-01
JP3537900B2 (ja) 2004-06-14
ATE165011T1 (de) 1998-05-15
AU8038294A (en) 1995-07-20
DE69502029T2 (de) 1998-12-03
AU682415B2 (en) 1997-10-02
EP0663212A3 (en) 1995-09-06
KR100349020B1 (ko) 2002-12-26

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