KR927003132A - 메틸피롤리디논 키토산, 이의 제조방법 및 이들의 용도 - Google Patents
메틸피롤리디논 키토산, 이의 제조방법 및 이들의 용도 Download PDFInfo
- Publication number
- KR927003132A KR927003132A KR1019920701764A KR920701764A KR927003132A KR 927003132 A KR927003132 A KR 927003132A KR 1019920701764 A KR1019920701764 A KR 1019920701764A KR 920701764 A KR920701764 A KR 920701764A KR 927003132 A KR927003132 A KR 927003132A
- Authority
- KR
- South Korea
- Prior art keywords
- chitosan
- chitin
- chemical preparation
- denatured
- acid
- Prior art date
Links
- 229920001661 Chitosan Polymers 0.000 title claims description 12
- 238000002360 preparation method Methods 0.000 title claims description 6
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 title description 2
- 229920002101 Chitin Polymers 0.000 claims 9
- 239000000463 material Substances 0.000 claims 6
- 239000000126 substance Substances 0.000 claims 5
- 239000010408 film Substances 0.000 claims 4
- -1 levuli Nate ester Chemical class 0.000 claims 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- 239000000843 powder Substances 0.000 claims 3
- 239000000243 solution Substances 0.000 claims 3
- JOOXCMJARBKPKM-UHFFFAOYSA-N 4-oxopentanoic acid Chemical compound CC(=O)CCC(O)=O JOOXCMJARBKPKM-UHFFFAOYSA-N 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 239000006071 cream Substances 0.000 claims 2
- 239000000835 fiber Substances 0.000 claims 2
- 239000000499 gel Substances 0.000 claims 2
- 238000005984 hydrogenation reaction Methods 0.000 claims 2
- 239000006210 lotion Substances 0.000 claims 2
- 239000012528 membrane Substances 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 1
- 239000002390 adhesive tape Substances 0.000 claims 1
- BGLUXFNVVSVEET-UHFFFAOYSA-N beta-angelica lactone Chemical compound CC1OC(=O)C=C1 BGLUXFNVVSVEET-UHFFFAOYSA-N 0.000 claims 1
- 239000012620 biological material Substances 0.000 claims 1
- 239000008406 cosmetic ingredient Substances 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000004090 dissolution Methods 0.000 claims 1
- YVIVRJLWYJGJTJ-UHFFFAOYSA-N gamma-Valerolactam Chemical compound CC1CCC(=O)N1 YVIVRJLWYJGJTJ-UHFFFAOYSA-N 0.000 claims 1
- 239000000017 hydrogel Substances 0.000 claims 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims 1
- 239000003350 kerosene Substances 0.000 claims 1
- 229940058352 levulinate Drugs 0.000 claims 1
- 229940040102 levulinic acid Drugs 0.000 claims 1
- 150000004730 levulinic acid derivatives Chemical class 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 239000004745 nonwoven fabric Substances 0.000 claims 1
- 150000007524 organic acids Chemical class 0.000 claims 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 229920002635 polyurethane Polymers 0.000 claims 1
- 239000004814 polyurethane Substances 0.000 claims 1
- 239000004753 textile Substances 0.000 claims 1
- 239000002759 woven fabric Substances 0.000 claims 1
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
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/4906—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
- A61K8/4913—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having five membered rings, e.g. pyrrolidone carboxylic acid
-
- 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
- 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
- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/28—Materials for coating prostheses
- A61L27/34—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
-
- 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
-
- 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
- A61Q19/10—Washing or bathing preparations
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Medicinal Chemistry (AREA)
- Dermatology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Pharmacology & Pharmacy (AREA)
- Birds (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Inorganic Chemistry (AREA)
- Transplantation (AREA)
- Hematology (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Polymers & Plastics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Cosmetics (AREA)
- Materials For Medical Uses (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Medicinal Preparation (AREA)
- Steroid Compounds (AREA)
- Pyrrole Compounds (AREA)
- Saccharide Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
내용 없음
Description
메틸피롤리디논 키토산, 이의 제조방법 및 이들의 용도
[도면의 간단한 설명]
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (7)
- 다음 일반식의 반복 단위를 가지며상기 식에서, R은 -NH2, -NHCOCH3그리고 R'이 R'가 반복단위의 적어도 30%에 존재하는 변성 키틴 그리고 키토산에 있어서, R'가 다음의 식의 기를 나타내고적어도 90%의 비율인 것을 특징으로 하는 변성 키틴 그리고 키토산.
- 용해 그리고 키틴 그리고 키토산과 레불린산, 수도레불린산 또는 안젤리카 락톤의 시프 반응, 이어서 수소화하는 것을 기초로 하는 제1항의 변성키틴 그리고 키토산의 화학적 제조방법에 있어서, 키틴 또는 키토산이 6g/ℓ이상, 바람직하기는 고분자량에 대해서는 20g/ℓ 그리고 중분자량 키틴 또는 키토산에 대해서는 50g/l의 농도로 존재하고, 그리고 수소화가 pH4 이상, 바람직하기는 약 5.6에서 적어도 3시간 동안 수행되는 것을 특징으로 하는 변성 키틴 그리고 키토산의 화학적 제조방법.
- 키틴 그리고 키토산과 레불린네이트 에스테르의 반응 그리고 5-메틸-2-피롤리논의 환원을 기본으로 제2항의 반응 조건하에 실시하여 제1항에 의한 변성 키틴 그리고 키토산을 화학적으로 제조함에 있어서, 레불리네이트 에스테르카 유기산에, 바람직하기는 아세트산에 예비적으로 용해되는 것을 특징으로 하는 변성 키틴 그리고 화학적 제조방법.
- 제1항에 의한 제품 일주 전부로 만든 심냉 건조 재료, 분말, 필름, 불포직, 접착 테이프, 벤드, 막, 용액, 케스로겔, 히드로겔, 단섬유, 직물, 티슈, 로숀, 크림의 형태로 되는 상처 붕대재료.
- 실리콘, 폴리우레탄, 히드록시아파타이트 그리고 기타 생물질로 만든 치과보철 그리고 성형 기구의 피복에 사용되는 제1항에 의한 물질로 만든 코팅.
- 심냉 건조 재료, 분말, 필름, 막, 용액, 겔, 단섬유, 직포, 팃슈, 로숀. 크림 정제의 형태로 되는 제1항에 의한 물질 전부 또는 일부로 만든 약품 지연 방출용 지지체.
- 심냉 건조 재료, 분말, 필름, 막, 용액 그리고 게의 형태로 되는 제1항에 의한 물질로 만든 화장품 성분.※ 참고사항:최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT00064290A IT1243260B (it) | 1990-11-26 | 1990-11-26 | Metil pirrolidon chitosano, processo di produzione e suo uso. |
ITIT642-A/90 | 1990-11-26 | ||
PCT/EP1991/002168 WO1992009635A1 (en) | 1990-11-26 | 1991-11-18 | Methyl pyrrolidinone chitosan, production process and uses thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
KR927003132A true KR927003132A (ko) | 1992-12-17 |
Family
ID=11099998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920701764A KR927003132A (ko) | 1990-11-26 | 1991-11-18 | 메틸피롤리디논 키토산, 이의 제조방법 및 이들의 용도 |
Country Status (13)
Country | Link |
---|---|
US (1) | US5378472A (ko) |
EP (1) | EP0512095B1 (ko) |
JP (1) | JPH05503733A (ko) |
KR (1) | KR927003132A (ko) |
AT (1) | ATE136553T1 (ko) |
AU (1) | AU639163B2 (ko) |
CA (1) | CA2074517A1 (ko) |
CZ (1) | CZ281052B6 (ko) |
DE (1) | DE69118683T2 (ko) |
ES (1) | ES2084838T3 (ko) |
HU (1) | HUT62017A (ko) |
IT (1) | IT1243260B (ko) |
WO (1) | WO1992009635A1 (ko) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4320871C2 (de) * | 1993-06-24 | 1995-05-04 | Beiersdorf Ag | Kosmetische und dermatologische Zubereitungen mit einem Gehalt an delta-Aminolävulinsäure |
DE4446380A1 (de) * | 1994-07-05 | 1996-01-11 | Lohmann Therapie Syst Lts | Hydrogel für die Applikation von therapeutischen und/oder kosmetischen Wirkstoffen an die Haut |
US6486140B2 (en) | 1994-07-19 | 2002-11-26 | Medicarb Ab | Agents, and methods employing them, for the prevention or reduction of tissue adhesion at a wound site |
US5597811A (en) * | 1995-04-10 | 1997-01-28 | Amerchol Corporation | Oxirane carboxylic acid derivatives of polyglucosamines |
EP0830381A4 (en) * | 1995-06-09 | 2000-11-22 | William N Drohan | CHITINE HYDROGELS, PRODUCTION METHOD AND USE |
DE19643066C2 (de) * | 1996-10-18 | 1999-07-01 | Henkel Kgaa | Kollagenfreie kosmetische Zubereitungen und Verfahren zu ihrer Herstellung |
US5770712A (en) * | 1997-03-14 | 1998-06-23 | Virginia Tech Intellectual Properties, Inc. | Crosslinked hydrogel beads from chitosan |
KR19990000270A (ko) | 1997-06-04 | 1999-01-15 | 박원훈 | 키토산으로 도포된 백혈구 제거용 필터 |
US6197322B1 (en) | 1997-12-23 | 2001-03-06 | Kimberly-Clark Worldwide, Inc. | Antimicrobial structures |
DE19804367C2 (de) * | 1998-02-04 | 2001-11-22 | Spiller Biocosmetic Gmbh Dr | Mittel zur Entfernung einer kosmetischen Packung |
IL132212A (en) * | 1998-10-23 | 2003-03-12 | Milliken & Co | Textile fabric with particle attracting finish |
US20030206958A1 (en) * | 2000-12-22 | 2003-11-06 | Cattaneo Maurizio V. | Chitosan biopolymer for the topical delivery of active agents |
US8741335B2 (en) | 2002-06-14 | 2014-06-03 | Hemcon Medical Technologies, Inc. | Hemostatic compositions, assemblies, systems, and methods employing particulate hemostatic agents formed from hydrophilic polymer foam such as Chitosan |
EP1401352B1 (en) * | 2001-06-14 | 2012-03-21 | Kenton W. Gregory | Method for producing a chitosan wound dressing |
US20060004314A1 (en) * | 2001-06-14 | 2006-01-05 | Hemcon, Inc. | Antimicrobial barriers, systems, and methods formed from hydrophilic polymer structures such as chistosan |
US7371403B2 (en) | 2002-06-14 | 2008-05-13 | Providence Health System-Oregon | Wound dressing and method for controlling severe, life-threatening bleeding |
KR20030006788A (ko) * | 2001-07-16 | 2003-01-23 | 이승진 | 치주질환 치료용 서방출성 고분자제제 |
US6926903B2 (en) * | 2001-12-04 | 2005-08-09 | Inion Ltd. | Resorbable polymer composition, implant and method of making implant |
US8269058B2 (en) * | 2002-06-14 | 2012-09-18 | Hemcon Medical Technologies, Inc. | Absorbable tissue dressing assemblies, systems, and methods formed from hydrophilic polymer sponge structures such as chitosan |
US20050137512A1 (en) * | 2003-12-23 | 2005-06-23 | Campbell Todd D. | Wound dressing and method for controlling severe, life-threatening bleeding |
EP1402905A1 (en) * | 2002-09-24 | 2004-03-31 | The Procter & Gamble Company | Liquid absorbent thermoplastic composition comprising superabsorbent material particles of substantially anglelacking shape |
EP1402862B1 (en) * | 2002-09-24 | 2007-11-28 | The Procter & Gamble Company | An absorbent article comprising an absorbent element comprising a liquid absorbent thermoplastic composition |
EP1440683A1 (de) * | 2003-01-23 | 2004-07-28 | Cognis France S.A. | Verwendung von Oligoglucosaminen in kosmetischen oder dermatologischen Zubereitungen |
DE60334794D1 (de) * | 2003-08-11 | 2010-12-16 | Procter & Gamble | Verfahren zum Auftragen von Klebstoff |
EP1579831A1 (en) | 2004-03-23 | 2005-09-28 | The Procter & Gamble Company | An absorbent article comprising edge barriers comprising a liquid absorbent thermoplastic composition |
WO2006005211A1 (de) * | 2004-07-12 | 2006-01-19 | Gaba International Ag | Mundpflegemittel enthaltend chitosanderivat |
US9204957B2 (en) * | 2005-03-17 | 2015-12-08 | Hemcon Medical Technologies, Inc. | Systems and methods for hemorrhage control and or tissue repair |
EP1829561A1 (en) * | 2006-03-03 | 2007-09-05 | The Procter and Gamble Company | Thermoplastic absorbent materials for proteinaceous or serous bodily fluids |
AU2007268015A1 (en) | 2006-05-23 | 2007-12-06 | Providence Health System-Oregon D/B/A Providence St. Vincent Medical Center | Systems and methods for introducing and applying a bandage structure within a body lumen or hollow body organ |
US8932560B2 (en) * | 2007-09-04 | 2015-01-13 | University of Maryland, College Parke | Advanced functional biocompatible polymeric matrix used as a hemostatic agent and system for damaged tissues and cells |
JP5726068B2 (ja) * | 2008-05-02 | 2015-05-27 | プロビデンス ヘルス システム−オレゴン ディー/ビー/エー プロビデンス セント ビンセント メディカル センター | 創傷被覆デバイスおよび方法 |
US20110274726A1 (en) | 2008-10-06 | 2011-11-10 | Providence Health System - Oregon | Chitosan foam medical devices and methods |
NZ599524A (en) | 2009-11-09 | 2014-04-30 | Spotlight Technology Partners Llc | Polysaccharide based hydrogels |
WO2011057133A1 (en) | 2009-11-09 | 2011-05-12 | Spotlight Technology Partners Llc | Fragmented hydrogels |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61253065A (ja) * | 1985-05-02 | 1986-11-10 | 片倉チツカリン株式会社 | キトサン誘導体およびコラ−ゲンの複合材の医用材料およびその製造法 |
IT1190380B (it) * | 1985-06-21 | 1988-02-16 | Consiglio Nazionale Ricerche | Glucani funzionalizzati e reticolati,procedimento e intermedi di preparazione,loro usi |
-
1990
- 1990-11-26 IT IT00064290A patent/IT1243260B/it active IP Right Grant
-
1991
- 1991-11-18 KR KR1019920701764A patent/KR927003132A/ko not_active Application Discontinuation
- 1991-11-18 DE DE69118683T patent/DE69118683T2/de not_active Expired - Fee Related
- 1991-11-18 JP JP4500293A patent/JPH05503733A/ja active Pending
- 1991-11-18 US US07/910,159 patent/US5378472A/en not_active Expired - Fee Related
- 1991-11-18 CA CA002074517A patent/CA2074517A1/en not_active Abandoned
- 1991-11-18 WO PCT/EP1991/002168 patent/WO1992009635A1/en active IP Right Grant
- 1991-11-18 ES ES91920494T patent/ES2084838T3/es not_active Expired - Lifetime
- 1991-11-18 HU HU9202434A patent/HUT62017A/hu unknown
- 1991-11-18 AU AU89566/91A patent/AU639163B2/en not_active Ceased
- 1991-11-18 CZ CS922305A patent/CZ281052B6/cs unknown
- 1991-11-18 AT AT91920494T patent/ATE136553T1/de not_active IP Right Cessation
- 1991-11-18 EP EP91920494A patent/EP0512095B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69118683T2 (de) | 1996-08-29 |
WO1992009635A1 (en) | 1992-06-11 |
AU639163B2 (en) | 1993-07-15 |
CZ281052B6 (cs) | 1996-06-12 |
ES2084838T3 (es) | 1996-05-16 |
ATE136553T1 (de) | 1996-04-15 |
IT9000642A0 (it) | 1990-11-26 |
US5378472A (en) | 1995-01-03 |
EP0512095A1 (en) | 1992-11-11 |
EP0512095B1 (en) | 1996-04-10 |
AU8956691A (en) | 1992-06-25 |
JPH05503733A (ja) | 1993-06-17 |
IT9000642A1 (it) | 1992-05-27 |
CZ230592A3 (en) | 1993-02-17 |
IT1243260B (it) | 1994-05-26 |
HU9202434D0 (en) | 1992-10-28 |
CA2074517A1 (en) | 1992-05-27 |
DE69118683D1 (de) | 1996-05-15 |
HUT62017A (en) | 1993-03-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR927003132A (ko) | 메틸피롤리디논 키토산, 이의 제조방법 및 이들의 용도 | |
DE3751938T2 (de) | Saure dekristallisierung von hochkristallin chitosan oder teilentacetylierten chitin | |
DE60104703T2 (de) | Neue vernetzte derivate der hyaluronsäure. | |
CA2214884C (en) | Poly(hydroxy acid)/polymer conjugates for skin applications | |
US6103267A (en) | Stabilized ascorbic acid, composition, and method of use | |
US5679657A (en) | Low molecular weight acetylhyaluronate, skin-softening composition, method of manufacturing the same, and method of purifying the same | |
WO1998051812A3 (en) | Polyhydroxyalkanoates for in vivo applications | |
JPH0525025A (ja) | 毛髪化粧料 | |
ATE1288T1 (de) | Amino-pyrimidin-carbanilide, verfahren zu ihrer herstellung, diese verbindungen enthaltende arzneimittel. | |
BR9609033A (pt) | Sistema de liberação controlada de líquido de alta viscosidade. | |
DE60015932T2 (de) | Durch pfropfung von merkaptogruppen modifizierte kollagenpeptide, ein verfahren zu ihrer herstellung und ihre anwendung als biomaterialien | |
JP2006002158A (ja) | ヒドロカルビルスルトン化合物(ahydrocarbylsultonecompound)による化学修飾ポリアミノ糖 | |
DE69925757T2 (de) | Dextran-maleinsäuremonoester und hydrogele daraus | |
JPH069707A (ja) | 高アセチル化率ヒアルロン酸及びその製造方法 | |
JP2593691B2 (ja) | O‐ベンジル‐n‐ヒドロキシアルキルキトサンを基本とするマニキュア並びにキトサンの新規o‐ベンジル‐n‐ヒドロキシアルキル誘導体 | |
EP0742273A3 (en) | Solid painting material | |
EP0486294A2 (en) | Compatible blends containing chitosan | |
US20050272922A1 (en) | Processes for preparing crosslinker-free, biopolymer-containing three dimensional structures, and products prepared thereby | |
DE4112489C2 (de) | Verwendung von resorbierbaren, physiologisch unbedenklichen Copolymeren für die topische Behandlung menschlicher oder tierischer Haut | |
JPH0543418A (ja) | 化粧料 | |
US5576418A (en) | Resorbable biocompatible copolymers and their use | |
JPH0616702A (ja) | 修飾ヒアルロン酸、その製造方法及びそれを用いた徐放化製剤 | |
WO1995020381A1 (en) | Coating of biomedical objects with microspheres obtained with biocompatible polymers | |
JP4781277B2 (ja) | 微生物相互作用を基にした過程を制御するための新規アルコキシラクトン、アルコキシラクタムおよびアルコキシチオラクタム | |
WO2018021811A1 (ko) | 졸-겔 전이 성질을 갖는 온도 감응성 화장료 조성물 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |