AR000398A1 - Proceso para preparar una sal de quitosan dilatable en agua e insoluble en agua y la sal de quitosanobtenida - Google Patents
Proceso para preparar una sal de quitosan dilatable en agua e insoluble en agua y la sal de quitosanobtenidaInfo
- Publication number
- AR000398A1 AR000398A1 AR33470995A AR33470995A AR000398A1 AR 000398 A1 AR000398 A1 AR 000398A1 AR 33470995 A AR33470995 A AR 33470995A AR 33470995 A AR33470995 A AR 33470995A AR 000398 A1 AR000398 A1 AR 000398A1
- Authority
- AR
- Argentina
- Prior art keywords
- water
- chitosan
- salt
- expandable
- prepare
- Prior art date
Links
- 229920001661 Chitosan Polymers 0.000 title abstract 6
- 150000003839 salts Chemical class 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 4
- 239000000203 mixture Substances 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000003431 cross linking reagent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- 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
-
- 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
- A61L15/28—Polysaccharides or their derivatives
-
- 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
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Biochemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Dispersion Chemistry (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Cosmetics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Paper (AREA)
Abstract
Lo que se revela es un proceso para producir una sal de quitosan dilatable en agua, insoluble en agua que tiene propiedades de absorción mejoras. Elproceso comprende formar una mezcla de quitosan, agua, un ácido, y optativamente, un agente de enlace cruzado, recuperar de la mezcla la sal dequitosan así formada y, optativamente, tratar dicha sal de quitosan recuperada con calor o bajo condiciones de humedad. La presente invención también revelala sal de quitosan obtenida con dichoproceso.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/362,395 US5599916A (en) | 1994-12-22 | 1994-12-22 | Chitosan salts having improved absorbent properties and process for the preparation thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR000398A1 true AR000398A1 (es) | 1997-06-18 |
Family
ID=23425957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AR33470995A AR000398A1 (es) | 1994-12-22 | 1995-12-19 | Proceso para preparar una sal de quitosan dilatable en agua e insoluble en agua y la sal de quitosanobtenida |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US5599916A (es) |
| EP (1) | EP0799247B1 (es) |
| JP (1) | JPH10511720A (es) |
| KR (1) | KR100412190B1 (es) |
| AR (1) | AR000398A1 (es) |
| AU (1) | AU689692B2 (es) |
| CA (1) | CA2208892A1 (es) |
| DE (1) | DE69527370T2 (es) |
| EG (1) | EG21032A (es) |
| FR (1) | FR2728575B1 (es) |
| GB (1) | GB2296250B (es) |
| MX (1) | MX212300B (es) |
| MY (1) | MY113109A (es) |
| PE (1) | PE12597A1 (es) |
| PH (1) | PH11995051943B1 (es) |
| SV (1) | SV1995000091A (es) |
| TR (1) | TR199501616A2 (es) |
| TW (1) | TW323286B (es) |
| UY (1) | UY24123A1 (es) |
| WO (1) | WO1996020015A2 (es) |
| ZA (1) | ZA9510740B (es) |
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| JPH01207216A (ja) * | 1988-02-10 | 1989-08-21 | Dai Ichi Kogyo Seiyaku Co Ltd | 木酢ゲル化物 |
| JP2599415B2 (ja) * | 1988-02-24 | 1997-04-09 | ヤヱガキ醗酵技研株式会社 | キトサンゲル組成物及びその製造方法 |
| US4956350A (en) * | 1988-08-18 | 1990-09-11 | Minnesota Mining And Manufacturing Company | Wound filling compositions |
| JPH0315464A (ja) * | 1989-06-13 | 1991-01-23 | Unitika Ltd | 生体成分吸収用シート |
| US5079354A (en) * | 1989-10-27 | 1992-01-07 | Kimberly-Clark Corporation | Method for making absorbent starch |
| JP2714621B2 (ja) * | 1991-05-31 | 1998-02-16 | サンファイブ 株式会社 | 創傷治療剤 |
| IT1254119B (it) * | 1991-09-13 | 1995-09-08 | Fidia | Esteri di derivati carbossilici di polisaccaridi |
| CA2073292C (en) * | 1991-10-25 | 2004-06-29 | Xin Ning | Carboxyalkyl polysaccharides having improved absorbent properties and process for the preparation thereof |
| US5247072A (en) * | 1991-10-25 | 1993-09-21 | Kimberly-Clark Corporation | Carboxyalkyl polysaccharides having improved absorbent properties and process for the preparation thereof |
| CA2072918A1 (en) * | 1992-02-14 | 1993-08-15 | Jian Qin | Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
| CA2076732C (en) * | 1992-04-17 | 2006-05-09 | Kimberly-Clark Worldwide, Inc. | Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
| DE4318094B4 (de) * | 1993-06-01 | 2004-03-04 | Stockhausen Gmbh & Co. Kg | Superabsorbentien, Verfahren zu ihrer Herstellung sowie ihre Verwendung |
-
1994
- 1994-12-22 US US08/362,395 patent/US5599916A/en not_active Expired - Lifetime
-
1995
- 1995-12-12 SV SV1995000091A patent/SV1995000091A/es unknown
- 1995-12-14 DE DE69527370T patent/DE69527370T2/de not_active Expired - Lifetime
- 1995-12-14 EP EP95943779A patent/EP0799247B1/en not_active Expired - Lifetime
- 1995-12-14 CA CA002208892A patent/CA2208892A1/en not_active Abandoned
- 1995-12-14 AU AU45167/96A patent/AU689692B2/en not_active Ceased
- 1995-12-14 WO PCT/US1995/016191 patent/WO1996020015A2/en not_active Ceased
- 1995-12-14 MX MX9704660A patent/MX212300B/es not_active IP Right Cessation
- 1995-12-14 KR KR1019970704277A patent/KR100412190B1/ko not_active Expired - Lifetime
- 1995-12-14 JP JP8520480A patent/JPH10511720A/ja active Pending
- 1995-12-15 PH PH51943A patent/PH11995051943B1/en unknown
- 1995-12-18 ZA ZA9510740A patent/ZA9510740B/xx unknown
- 1995-12-19 AR AR33470995A patent/AR000398A1/es unknown
- 1995-12-20 TR TR95/01616A patent/TR199501616A2/xx unknown
- 1995-12-20 UY UY24123A patent/UY24123A1/es not_active IP Right Cessation
- 1995-12-20 PE PE1995287591A patent/PE12597A1/es not_active Application Discontinuation
- 1995-12-20 TW TW84113624A patent/TW323286B/zh active
- 1995-12-21 EG EG107295A patent/EG21032A/xx active
- 1995-12-21 GB GB9526240A patent/GB2296250B/en not_active Expired - Lifetime
- 1995-12-21 FR FR9515230A patent/FR2728575B1/fr not_active Expired - Lifetime
- 1995-12-22 MY MYPI95004047A patent/MY113109A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US5599916A (en) | 1997-02-04 |
| DE69527370D1 (de) | 2002-08-14 |
| WO1996020015A2 (en) | 1996-07-04 |
| AU4516796A (en) | 1996-07-19 |
| JPH10511720A (ja) | 1998-11-10 |
| GB2296250B (en) | 1997-09-10 |
| TW323286B (es) | 1997-12-21 |
| UY24123A1 (es) | 1996-06-11 |
| TR199501616A2 (tr) | 1996-07-21 |
| GB9526240D0 (en) | 1996-02-21 |
| FR2728575A1 (fr) | 1996-06-28 |
| MY113109A (en) | 2001-11-30 |
| EP0799247B1 (en) | 2002-07-10 |
| FR2728575B1 (fr) | 1997-06-06 |
| CA2208892A1 (en) | 1996-07-04 |
| SV1995000091A (es) | 1996-07-25 |
| EG21032A (en) | 2000-09-30 |
| ZA9510740B (en) | 1996-06-20 |
| PE12597A1 (es) | 1997-04-30 |
| KR987000880A (en) | 1998-04-30 |
| WO1996020015A3 (en) | 1996-09-06 |
| PH11995051943B1 (en) | 1999-07-05 |
| EP0799247A2 (en) | 1997-10-08 |
| MX9704660A (es) | 2000-04-30 |
| DE69527370T2 (de) | 2002-12-12 |
| MX212300B (es) | 2002-12-19 |
| AU689692B2 (en) | 1998-04-02 |
| GB2296250A (en) | 1996-06-26 |
| KR100412190B1 (ko) | 2004-04-29 |
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