DE3751938D1 - Saure dekristallisierung von hochkristallin chitosan oder teilentacetylierten chitin - Google Patents
Saure dekristallisierung von hochkristallin chitosan oder teilentacetylierten chitinInfo
- Publication number
- DE3751938D1 DE3751938D1 DE3751938T DE3751938T DE3751938D1 DE 3751938 D1 DE3751938 D1 DE 3751938D1 DE 3751938 T DE3751938 T DE 3751938T DE 3751938 T DE3751938 T DE 3751938T DE 3751938 D1 DE3751938 D1 DE 3751938D1
- Authority
- DE
- Germany
- Prior art keywords
- acid
- tacetylated
- decristallization
- chitine
- partial
- 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 - Fee Related
Links
Classifications
-
- 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
- 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
- A61K8/18—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
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A61K9/7015—Drug-containing film-forming compositions, e.g. spray-on
-
- 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
- A61L26/00—Chemical aspects of, or use of materials for, wound dressings or bandages in liquid, gel or powder form
- A61L26/0009—Chemical aspects of, or use of materials for, wound dressings or bandages in liquid, gel or powder form containing macromolecular materials
- A61L26/0023—Polysaccharides
-
- 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
- A61L26/00—Chemical aspects of, or use of materials for, wound dressings or bandages in liquid, gel or powder form
- A61L26/0061—Use of materials characterised by their function or physical properties
- A61L26/0076—Sprayable compositions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
- C08L5/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- 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
- A61K2800/54—Polymers characterized by specific structures/properties
- A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
- A61K2800/5426—Polymers characterized by specific structures/properties characterized by the charge cationic
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Pharmacology & Pharmacy (AREA)
- Materials Engineering (AREA)
- Dermatology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Inorganic Chemistry (AREA)
- Birds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Cosmetics (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US87138186A | 1986-06-06 | 1986-06-06 | |
PCT/US1987/001246 WO1987007618A1 (en) | 1986-06-06 | 1987-06-02 | Acid decrystallization of aminopolysaccharides and derivatives thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3751938D1 true DE3751938D1 (de) | 1996-12-05 |
DE3751938T2 DE3751938T2 (de) | 1997-02-27 |
Family
ID=25357322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3751938T Expired - Fee Related DE3751938T2 (de) | 1986-06-06 | 1987-06-02 | Saure dekristallisierung von hochkristallin chitosan oder teilentacetylierten chitin |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0271551B1 (de) |
JP (1) | JPH0776241B2 (de) |
AT (1) | ATE144781T1 (de) |
CA (1) | CA1283655C (de) |
DE (1) | DE3751938T2 (de) |
WO (1) | WO1987007618A1 (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4946870A (en) * | 1986-06-06 | 1990-08-07 | Union Carbide Chemicals And Plastics Company Inc. | Delivery systems for pharmaceutical or therapeutic actives |
US5300494A (en) * | 1986-06-06 | 1994-04-05 | Union Carbide Chemicals & Plastics Technology Corporation | Delivery systems for quaternary and related compounds |
JPS6341503A (ja) * | 1986-08-08 | 1988-02-22 | Dainichi Color & Chem Mfg Co Ltd | キトサン塩の製造方法 |
GB8824971D0 (en) * | 1988-10-25 | 1988-11-30 | Roberts G A F | Method for production of chitosan |
DE3903797A1 (de) | 1989-02-09 | 1990-08-16 | Hoechst Ag | Verfahren zur herstellung von aktivierten chitosanen und deren verwendung bei der herstellung von chitosanderivaten |
US5061792A (en) * | 1989-03-27 | 1991-10-29 | University Of Delaware | Preparation of chitosan salts in aqueous alcoholic media |
AU5885690A (en) * | 1989-07-11 | 1991-01-17 | Union Carbide Chemicals And Plastics Company Inc. | Emulsions comprising aminopolysaccharides |
FR2651131B1 (fr) * | 1989-08-23 | 1994-05-20 | Roussel Uclaf | Nouvelles compositions cosmetiques contenant du chitosane et de la glucosamine. |
US5093319A (en) * | 1989-10-31 | 1992-03-03 | Pfizer Hospital Products Group, Inc. | Use of derivatives of chitin soluble in aqueous solutions for preventing adhesions |
US4994277A (en) * | 1989-10-31 | 1991-02-19 | Pfizer Hospital Products Group, Inc. | Use of xanthan gum for preventing adhesions |
US5858350A (en) | 1993-12-01 | 1999-01-12 | Marine Polymer Technologies | Methods and compositions for poly-β-1→4-N-acetylglucosamine cell therapy system |
CA2191753A1 (en) * | 1994-06-02 | 1995-12-14 | Vitaphore Corporation | Lysozyme-degradable biomaterials |
DE69618496T2 (de) * | 1995-04-10 | 2002-09-19 | Amerchol Corp | Verfahren zur Derivatisierung von Polyglukosaminen |
DE19531145A1 (de) * | 1995-08-24 | 1997-02-27 | Wella Ag | Mittel zur Haarbehandlung |
DE19850734A1 (de) * | 1998-11-04 | 2000-05-11 | Henkel Kgaa | Alkoholische kosmetische Zubereitungen |
US6858230B1 (en) | 1999-04-12 | 2005-02-22 | Shionogi & Co., Ltd. | Process for producing medicinal composition of basic hydrophobic medicinal compound |
US6645947B1 (en) * | 1999-05-20 | 2003-11-11 | Chitogenics, Inc. | Adhesive N, O-carboxymethylchitosan coatings which inhibit attachment of substrate-dependent cells and proteins |
EP1402905A1 (de) | 2002-09-24 | 2004-03-31 | The Procter & Gamble Company | Flüssigkeitsabsorbierende thermoplastische Zusammensetzung enthaltend Partikel aus superabsorbierendem Material mit im wesentlichen kantenfreier Gestalt |
DE10258992A1 (de) * | 2002-12-19 | 2004-07-08 | Beisel, Günther | Auflage für die dematologische und kosmetische Verwendung |
DE60334794D1 (de) | 2003-08-11 | 2010-12-16 | Procter & Gamble | Verfahren zum Auftragen von Klebstoff |
DE102004060246A1 (de) * | 2004-12-15 | 2006-07-06 | Cognis Ip Management Gmbh | Verwendung von Chitosan gegen Juckreiz |
NZ599605A (en) | 2007-02-19 | 2013-11-29 | Marinepolymer Tech Inc | Hemostatic compositions and therapeutic regimens |
WO2011004398A2 (en) * | 2009-07-07 | 2011-01-13 | Camlin Fine Chemicals Limited | Preservatives from chitin derivatives |
EP2473201B1 (de) * | 2009-09-01 | 2016-08-10 | Medovent GmbH | Gewebeauflage aus chitosan |
BR112012025844A2 (pt) | 2010-04-15 | 2017-07-18 | Marine Polymer Tech Inc | uso de nanofibras snag |
ES2712098T3 (es) | 2011-04-15 | 2019-05-09 | Marine Polymer Tech Inc | Tratamiento de infecciones por VHS con nanofibras de poli-N-acetilglucosamina |
CN102870777A (zh) * | 2012-09-07 | 2013-01-16 | 华侨大学 | 一种缓释抑藻剂及其制备方法 |
EP2934464B1 (de) | 2013-02-21 | 2018-02-28 | Dow Global Technologies LLC | Körperpflegezusammensetzungen mit anionischen tensiden und hydrophoben wirkstoffen |
CN111961095B (zh) * | 2020-09-04 | 2023-08-22 | 山东科大创业生物有限公司 | 一种防治植物病毒病的离子液体化合物及其制备和应用 |
CN115595347B (zh) * | 2022-11-03 | 2023-06-06 | 广州增城潮徽生物技术有限公司 | 一种壳多糖衍生物及其制备方法和应用 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4424346A (en) * | 1981-06-04 | 1984-01-03 | Canadian Patents And Development Ltd. | Derivatives of chitins, chitosans and other polysaccharides |
US4574150A (en) * | 1985-02-19 | 1986-03-04 | University Of Delaware | Dry free-flowing water-soluble complexes of chitosan |
-
1987
- 1987-06-02 DE DE3751938T patent/DE3751938T2/de not_active Expired - Fee Related
- 1987-06-02 AT AT87904163T patent/ATE144781T1/de active
- 1987-06-02 JP JP62503854A patent/JPH0776241B2/ja not_active Expired - Lifetime
- 1987-06-02 WO PCT/US1987/001246 patent/WO1987007618A1/en active IP Right Grant
- 1987-06-02 EP EP87904163A patent/EP0271551B1/de not_active Expired - Lifetime
- 1987-06-08 CA CA000539050A patent/CA1283655C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0271551A1 (de) | 1988-06-22 |
JPS63503466A (ja) | 1988-12-15 |
DE3751938T2 (de) | 1997-02-27 |
EP0271551B1 (de) | 1996-10-30 |
JPH0776241B2 (ja) | 1995-08-16 |
CA1283655C (en) | 1991-04-30 |
ATE144781T1 (de) | 1996-11-15 |
WO1987007618A1 (en) | 1987-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |