DE3775833D1 - Methylierte chitosane und ihre verwendung bei der herstellung von pharmazeutischen zusammensetzungen. - Google Patents
Methylierte chitosane und ihre verwendung bei der herstellung von pharmazeutischen zusammensetzungen.Info
- Publication number
- DE3775833D1 DE3775833D1 DE8787107701T DE3775833T DE3775833D1 DE 3775833 D1 DE3775833 D1 DE 3775833D1 DE 8787107701 T DE8787107701 T DE 8787107701T DE 3775833 T DE3775833 T DE 3775833T DE 3775833 D1 DE3775833 D1 DE 3775833D1
- Authority
- DE
- Germany
- Prior art keywords
- chitosans
- methylated
- pharmaceutical compositions
- production
- preparation
- 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
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
-
- 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
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
- A61K31/716—Glucans
- A61K31/722—Chitin, chitosan
-
- 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
- A61K9/0048—Eye, e.g. artificial tears
-
- 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
- A61K9/0087—Galenical forms not covered by A61K9/02 - A61K9/7023
- A61K9/0095—Drinks; Beverages; Syrups; Compositions for reconstitution thereof, e.g. powders or tablets to be dispersed in a glass of water; Veterinary drenches
-
- 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
- A61K9/08—Solutions
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmacology & Pharmacy (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Medicinal Preparation (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT20796/86A IT1190347B (it) | 1986-06-16 | 1986-06-16 | Processo per la preparazione dell'n-dimetilchitosano e suoi impieghi farmacologici |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3775833D1 true DE3775833D1 (de) | 1992-02-20 |
Family
ID=11172188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787107701T Expired - Fee Related DE3775833D1 (de) | 1986-06-16 | 1987-05-27 | Methylierte chitosane und ihre verwendung bei der herstellung von pharmazeutischen zusammensetzungen. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4826826A (de) |
EP (1) | EP0249779B1 (de) |
AT (1) | ATE71302T1 (de) |
DE (1) | DE3775833D1 (de) |
ES (1) | ES2037682T3 (de) |
IT (1) | IT1190347B (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3903797A1 (de) | 1989-02-09 | 1990-08-16 | Hoechst Ag | Verfahren zur herstellung von aktivierten chitosanen und deren verwendung bei der herstellung von chitosanderivaten |
US5141928B1 (en) * | 1989-12-20 | 1995-11-14 | Brujo Inc | Ophthalmic medication |
US5422116A (en) * | 1994-02-18 | 1995-06-06 | Ciba-Geigy Corporation | Liquid ophthalmic sustained release delivery system |
TW389694B (en) * | 1995-08-17 | 2000-05-11 | Novartis Ag | Compositions including o-carboxyalkyl chitosan and methods of use in ophthalmics |
US6716970B2 (en) | 2000-04-21 | 2004-04-06 | Adjuvant Pharmaceuticals, Llc | Water soluble, randomly substituted partial N-partial O-acetylated chitosan, preserving compositions containing chitosan, and processes for making thereof |
TW200416046A (en) * | 2002-12-23 | 2004-09-01 | Alcon Inc | Contact lens care compositions containing chitin derivatives |
US7125967B2 (en) * | 2003-10-08 | 2006-10-24 | Adjuvant Pharmaceuticals, Llc | Water-soluble chitosan having low endotoxin concentration and methods for making and using the same |
US20080289088A1 (en) * | 2005-11-07 | 2008-11-27 | E.I. Du Pont De Nemours And Company | N-alkylchitosan films and laminates made therefrom |
KR20100060634A (ko) * | 2008-11-28 | 2010-06-07 | (주)아모레퍼시픽 | 미토콘드리아 활성화를 위한 조성물 |
WO2020039463A1 (en) | 2018-08-23 | 2020-02-27 | Haskoli Islands | Chitosan derivatives and methods for preparing the same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE858550C (de) * | 1943-05-22 | 1952-12-08 | Henkel & Cie Gmbh | Verfahren zur Herstellung von Kondensationsprodukten |
JPS5411955A (en) * | 1977-06-29 | 1979-01-29 | Kodama Teizou | High water absorbing chitosan derivative and absorbing agent containing it |
US4326532A (en) * | 1980-10-06 | 1982-04-27 | Minnesota Mining And Manufacturing Company | Antithrombogenic articles |
US4363801A (en) * | 1981-02-09 | 1982-12-14 | The Texas A&M University System | Method for treating hyperbilirubinemia |
US4424346A (en) * | 1981-06-04 | 1984-01-03 | Canadian Patents And Development Ltd. | Derivatives of chitins, chitosans and other polysaccharides |
US4474769A (en) * | 1983-05-13 | 1984-10-02 | Pfanstiehl Laboratories, Inc. | Chitosan as a contraceptive |
US4626287A (en) * | 1985-01-29 | 1986-12-02 | Merrell Dow Pharmaceuticals Inc. | Process for preparing sucrose encrusted methylcellulose particles for use in bulk laxative compositions |
-
1986
- 1986-06-16 IT IT20796/86A patent/IT1190347B/it active
-
1987
- 1987-05-27 ES ES198787107701T patent/ES2037682T3/es not_active Expired - Lifetime
- 1987-05-27 EP EP87107701A patent/EP0249779B1/de not_active Expired - Lifetime
- 1987-05-27 AT AT87107701T patent/ATE71302T1/de not_active IP Right Cessation
- 1987-05-27 DE DE8787107701T patent/DE3775833D1/de not_active Expired - Fee Related
- 1987-05-29 US US07/055,306 patent/US4826826A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4826826A (en) | 1989-05-02 |
IT8620796A1 (it) | 1987-12-16 |
EP0249779A1 (de) | 1987-12-23 |
IT1190347B (it) | 1988-02-16 |
ATE71302T1 (de) | 1992-01-15 |
EP0249779B1 (de) | 1992-01-08 |
IT8620796A0 (it) | 1986-06-16 |
ES2037682T3 (es) | 1993-07-01 |
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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 |