CA2125402A1 - Process for insolubilizing n-carboxyalkyl derivatives of chitosan - Google Patents

Process for insolubilizing n-carboxyalkyl derivatives of chitosan

Info

Publication number
CA2125402A1
CA2125402A1 CA002125402A CA2125402A CA2125402A1 CA 2125402 A1 CA2125402 A1 CA 2125402A1 CA 002125402 A CA002125402 A CA 002125402A CA 2125402 A CA2125402 A CA 2125402A CA 2125402 A1 CA2125402 A1 CA 2125402A1
Authority
CA
Canada
Prior art keywords
chitosan
carboxyalkyl
film
set forth
derivative
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.)
Abandoned
Application number
CA002125402A
Other languages
English (en)
French (fr)
Inventor
James J. Barry
Paul A. Higham
Noelle N. Mann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MTG Divestitures LLC
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2125402A1 publication Critical patent/CA2125402A1/en
Abandoned legal-status Critical Current

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
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/04—Macromolecular materials
    • A61L31/042—Polysaccharides

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Surgery (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Organic Chemistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Materials For Medical Uses (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Cosmetics (AREA)
CA002125402A 1991-12-20 1992-12-08 Process for insolubilizing n-carboxyalkyl derivatives of chitosan Abandoned CA2125402A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81218791A 1991-12-20 1991-12-20
US07/812,187 1991-12-20

Publications (1)

Publication Number Publication Date
CA2125402A1 true CA2125402A1 (en) 1993-07-08

Family

ID=25208800

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002125402A Abandoned CA2125402A1 (en) 1991-12-20 1992-12-08 Process for insolubilizing n-carboxyalkyl derivatives of chitosan

Country Status (5)

Country Link
EP (1) EP0617707A1 (ja)
JP (1) JPH0826081B2 (ja)
AU (1) AU3235593A (ja)
CA (1) CA2125402A1 (ja)
WO (1) WO1993013137A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5931165A (en) * 1994-09-06 1999-08-03 Fusion Medical Technologies, Inc. Films having improved characteristics and methods for their preparation and use
US5679658A (en) * 1995-05-08 1997-10-21 Chitogenics, Inc. N,O-carbonxymethylchitosan for prevention of surgical adhesions
US5888988A (en) * 1995-05-08 1999-03-30 Chitogenics, Inc. Covalently linked N,O-carboxymethylchitosan and uses thereof
US5791352A (en) * 1996-06-19 1998-08-11 Fusion Medical Technologies, Inc. Methods and compositions for inhibiting tissue adhesion
US6645947B1 (en) * 1999-05-20 2003-11-11 Chitogenics, Inc. Adhesive N, O-carboxymethylchitosan coatings which inhibit attachment of substrate-dependent cells and proteins
US7265097B2 (en) 2002-08-20 2007-09-04 Chitogenics, Inc. Methods of drug delivery using sulphated chitinous polymers
FR2844717B1 (fr) * 2002-09-23 2006-07-07 Richard Cancel Plaque de renfort comprenant notamment du chitosane

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326523A (en) * 1980-08-25 1982-04-27 International Minerals & Chemical Corp. Method of supplying micronutrients to animals
US4619995A (en) * 1984-12-24 1986-10-28 Nova Chem Limited N,O-carboxymethyl chitosan and preparative method therefor
DK0426368T3 (da) * 1989-10-31 1995-03-13 Howmedica Præparater indeholdende chitinderivater til forebyggelse af adhæsion

Also Published As

Publication number Publication date
EP0617707A1 (en) 1994-10-05
WO1993013137A1 (en) 1993-07-08
JPH06511279A (ja) 1994-12-15
JPH0826081B2 (ja) 1996-03-13
AU3235593A (en) 1993-07-28

Similar Documents

Publication Publication Date Title
US5093319A (en) Use of derivatives of chitin soluble in aqueous solutions for preventing adhesions
EP0426368B1 (en) Compositions containing derivatives of chitin for preventing adhesion
EP0648122B1 (en) PREVENTING TISSUE ADHESION USING $i(IN SITU) MODIFICATION OF ALGINATE
WO1993013136A1 (en) Ultra-pure polysaccharide materials for medical use
CA2377544C (en) Hyaluronic acid anti-adhesion barrier
KR100374666B1 (ko) 히알루론산 겔, 그의 제조 방법 및 그를 함유하는 의학용재료
KR100395724B1 (ko) 경조직자극제
US5462976A (en) Photocurable glycosaminoglycan derivatives, crosslinked glycosaminoglycans and method of production thereof
GB2314842A (en) Protein/oxidised regenerated cellulose complexes
CN100379462C (zh) 一种包含难溶于水的可溶性纤维素衍生物的组织包被性医疗材料及其制造方法
US20090214667A1 (en) Medical technical product, method for producing the same and providing the same for surgery
JP3955107B2 (ja) 架橋多糖の製造法
CA2125402A1 (en) Process for insolubilizing n-carboxyalkyl derivatives of chitosan
JP4690892B2 (ja) 脊椎・脊髄手術用癒着防止材
JP3420851B2 (ja) 癒着防止剤
JP2003019194A (ja) ヒアルロン酸とカルボキシメチルセルロースからなる共架橋ゲル組成物
Widiyanti et al. Development of Aldehyde Hyaluronic Acid-N, O-Carboxymethyl Chitosan based Hydrogel for Intraperitoneal Antiadhesion Application
AU696183C (en) Hard tissue stimulating agent
BRPI0905514A2 (pt) biomaterial de quitosana e hidroxiapatita (cnhap) para preenchimento ósseo e processo para produção do mesmo

Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead