WO1996020015A3 - Chitosan salts and process for the preparation thereof - Google Patents
Chitosan salts and process for the preparation thereof Download PDFInfo
- Publication number
- WO1996020015A3 WO1996020015A3 PCT/US1995/016191 US9516191W WO9620015A3 WO 1996020015 A3 WO1996020015 A3 WO 1996020015A3 US 9516191 W US9516191 W US 9516191W WO 9620015 A3 WO9620015 A3 WO 9620015A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- chitosan
- preparation
- chitosan salt
- optionally
- Prior art date
Links
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
Abstract
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970704277A KR100412190B1 (en) | 1994-12-22 | 1995-12-14 | Chitosan salts and process for the preparation thereof |
JP8520480A JPH10511720A (en) | 1994-12-22 | 1995-12-14 | Chitosan salts and the process of preparing them |
EP95943779A EP0799247B1 (en) | 1994-12-22 | 1995-12-14 | Chitosan salts and process for the preparation thereof |
AU45167/96A AU689692B2 (en) | 1994-12-22 | 1995-12-14 | Chitosan salts and process for the preparation thereof |
MX9704660A MX212300B (en) | 1994-12-22 | 1995-12-14 | Chitosan salts and process for preparing them |
DE69527370T DE69527370T2 (en) | 1994-12-22 | 1995-12-14 | CHITOSAN SALTS AND METHOD FOR THE PRODUCTION THEREOF |
TW84113624A TW323286B (en) | 1994-12-22 | 1995-12-20 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/362,395 | 1994-12-22 | ||
US08/362,395 US5599916A (en) | 1994-12-22 | 1994-12-22 | Chitosan salts having improved absorbent properties and process for the preparation thereof |
Publications (3)
Publication Number | Publication Date |
---|---|
WO1996020015A2 WO1996020015A2 (en) | 1996-07-04 |
WO1996020015A3 true WO1996020015A3 (en) | 1996-09-06 |
WO1996020015B1 WO1996020015B1 (en) | 1996-10-24 |
Family
ID=23425957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1995/016191 WO1996020015A2 (en) | 1994-12-22 | 1995-12-14 | Chitosan salts and process for the preparation thereof |
Country Status (21)
Country | Link |
---|---|
US (1) | US5599916A (en) |
EP (1) | EP0799247B1 (en) |
JP (1) | JPH10511720A (en) |
KR (1) | KR100412190B1 (en) |
AR (1) | AR000398A1 (en) |
AU (1) | AU689692B2 (en) |
CA (1) | CA2208892A1 (en) |
DE (1) | DE69527370T2 (en) |
EG (1) | EG21032A (en) |
FR (1) | FR2728575B1 (en) |
GB (1) | GB2296250B (en) |
MX (1) | MX212300B (en) |
MY (1) | MY113109A (en) |
PE (1) | PE12597A1 (en) |
PH (1) | PH11995051943B1 (en) |
SV (1) | SV1995000091A (en) |
TR (1) | TR199501616A2 (en) |
TW (1) | TW323286B (en) |
UY (1) | UY24123A1 (en) |
WO (1) | WO1996020015A2 (en) |
ZA (1) | ZA9510740B (en) |
Families Citing this family (86)
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-
1994
- 1994-12-22 US US08/362,395 patent/US5599916A/en not_active Expired - Lifetime
-
1995
- 1995-12-12 SV SV1995000091A patent/SV1995000091A/en unknown
- 1995-12-14 CA CA002208892A patent/CA2208892A1/en not_active Abandoned
- 1995-12-14 KR KR1019970704277A patent/KR100412190B1/en active
- 1995-12-14 EP EP95943779A patent/EP0799247B1/en not_active Expired - Lifetime
- 1995-12-14 AU AU45167/96A patent/AU689692B2/en not_active Ceased
- 1995-12-14 DE DE69527370T patent/DE69527370T2/en not_active Expired - Lifetime
- 1995-12-14 JP JP8520480A patent/JPH10511720A/en active Pending
- 1995-12-14 MX MX9704660A patent/MX212300B/en not_active IP Right Cessation
- 1995-12-14 WO PCT/US1995/016191 patent/WO1996020015A2/en active IP Right Grant
- 1995-12-15 PH PH51943A patent/PH11995051943B1/en unknown
- 1995-12-18 ZA ZA9510740A patent/ZA9510740B/en unknown
- 1995-12-19 AR AR33470995A patent/AR000398A1/en unknown
- 1995-12-20 UY UY24123A patent/UY24123A1/en not_active IP Right Cessation
- 1995-12-20 PE PE1995287591A patent/PE12597A1/en not_active Application Discontinuation
- 1995-12-20 TR TR95/01616A patent/TR199501616A2/en unknown
- 1995-12-20 TW TW84113624A patent/TW323286B/zh active
- 1995-12-21 FR FR9515230A patent/FR2728575B1/en not_active Expired - Lifetime
- 1995-12-21 EG EG107295A patent/EG21032A/en active
- 1995-12-21 GB GB9526240A patent/GB2296250B/en not_active Expired - Lifetime
- 1995-12-22 MY MYPI95004047A patent/MY113109A/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01182302A (en) * | 1988-01-13 | 1989-07-20 | Unitika Ltd | Absorbing material |
EP0627225A2 (en) * | 1993-06-01 | 1994-12-07 | Chemische Fabrik Stockhausen GmbH | Superabsorbents and process of their production |
Non-Patent Citations (2)
Title |
---|
DATABASE WPI Week 8935, Derwent World Patents Index; AN 89-251834, XP002002628 * |
G. A. F. ROBERTS ET AL.: "The formation of gels by reaction of chitosan with glutaraldehyde", MAKROMOL. CHEM., vol. 190, no. 5, May 1989 (1989-05-01), BASEL, pages 951 - 960, XP002002627 * |
Also Published As
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FR2728575B1 (en) | 1997-06-06 |
EG21032A (en) | 2000-09-30 |
TW323286B (en) | 1997-12-21 |
EP0799247B1 (en) | 2002-07-10 |
WO1996020015A2 (en) | 1996-07-04 |
AR000398A1 (en) | 1997-06-18 |
TR199501616A2 (en) | 1996-07-21 |
UY24123A1 (en) | 1996-06-11 |
MX9704660A (en) | 2000-04-30 |
GB9526240D0 (en) | 1996-02-21 |
AU4516796A (en) | 1996-07-19 |
SV1995000091A (en) | 1996-07-25 |
MX212300B (en) | 2002-12-19 |
DE69527370D1 (en) | 2002-08-14 |
US5599916A (en) | 1997-02-04 |
FR2728575A1 (en) | 1996-06-28 |
EP0799247A2 (en) | 1997-10-08 |
KR987000880A (en) | 1998-04-30 |
PE12597A1 (en) | 1997-04-30 |
ZA9510740B (en) | 1996-06-20 |
JPH10511720A (en) | 1998-11-10 |
MY113109A (en) | 2001-11-30 |
KR100412190B1 (en) | 2004-04-29 |
DE69527370T2 (en) | 2002-12-12 |
GB2296250A (en) | 1996-06-26 |
CA2208892A1 (en) | 1996-07-04 |
GB2296250B (en) | 1997-09-10 |
PH11995051943B1 (en) | 1999-07-05 |
AU689692B2 (en) | 1998-04-02 |
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