DK1448607T3 - Sammensætning og fremgangsmåde til homogen modificering eller krydsbinding af chitosan under neutrale betingelser - Google Patents

Sammensætning og fremgangsmåde til homogen modificering eller krydsbinding af chitosan under neutrale betingelser

Info

Publication number
DK1448607T3
DK1448607T3 DK02779062.5T DK02779062T DK1448607T3 DK 1448607 T3 DK1448607 T3 DK 1448607T3 DK 02779062 T DK02779062 T DK 02779062T DK 1448607 T3 DK1448607 T3 DK 1448607T3
Authority
DK
Denmark
Prior art keywords
chitosan
cross
solution
linking
reagent
Prior art date
Application number
DK02779062.5T
Other languages
English (en)
Inventor
Abdellatif Chenite
Cyril Chaput
Fouad Dabbarh
Mohammed Berrada
Amine Selmani
Original Assignee
Piramal Healthcare Canada Ltd
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 Piramal Healthcare Canada Ltd filed Critical Piramal Healthcare Canada Ltd
Application granted granted Critical
Publication of DK1448607T3 publication Critical patent/DK1448607T3/da

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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
    • A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
    • A61K9/0024—Solid, semi-solid or solidifying implants, which are implanted or injected in body tissue
    • 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
    • A61L27/40—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
    • A61L27/44—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
    • A61L27/46—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix with phosphorus-containing inorganic fillers
    • 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
    • A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L27/52—Hydrogels or hydrocolloids
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Dermatology (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Transplantation (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Molecular Biology (AREA)
  • Neurosurgery (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Dispersion Chemistry (AREA)
  • Biochemistry (AREA)
  • Biomedical Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Materials For Medical Uses (AREA)
  • Medicinal Preparation (AREA)
DK02779062.5T 2001-11-15 2002-11-15 Sammensætning og fremgangsmåde til homogen modificering eller krydsbinding af chitosan under neutrale betingelser DK1448607T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33141501P 2001-11-15 2001-11-15
PCT/CA2002/001756 WO2003042250A1 (en) 2001-11-15 2002-11-15 Composition and method to homogeneously modify or cross-link chitosan under neutral conditions

Publications (1)

Publication Number Publication Date
DK1448607T3 true DK1448607T3 (da) 2011-04-26

Family

ID=23293865

Family Applications (1)

Application Number Title Priority Date Filing Date
DK02779062.5T DK1448607T3 (da) 2001-11-15 2002-11-15 Sammensætning og fremgangsmåde til homogen modificering eller krydsbinding af chitosan under neutrale betingelser

Country Status (8)

Country Link
US (1) US7098194B2 (da)
EP (1) EP1448607B1 (da)
AT (1) ATE494309T1 (da)
CA (1) CA2467049C (da)
DE (1) DE60238858D1 (da)
DK (1) DK1448607T3 (da)
ES (1) ES2357889T3 (da)
WO (1) WO2003042250A1 (da)

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CN114957711B (zh) * 2022-06-06 2024-06-21 中国医科大学附属盛京医院 一种壳聚糖溶液及壳聚糖温敏凝胶的制备方法
CN117285724B (zh) * 2022-06-16 2024-04-30 上海其胜生物制剂有限公司 一种壳聚糖均相溶液及其制备方法与应用
CN115353184B (zh) * 2022-08-30 2024-01-26 湖南仁和环境股份有限公司 一种表面改性的壳聚糖-琼脂絮凝剂及其制备方法和应用
CN116396414B (zh) * 2023-04-10 2024-08-06 华侨大学 一种壳聚糖基农药增溶剂的制备方法及其增溶方法
CN116791398A (zh) * 2023-08-04 2023-09-22 郑州大学 一种用于纸质保护的cs-pl-fec/芋艿淀粉磷酸酯多功能保护液
CN118755324B (zh) * 2024-07-25 2024-11-29 珠海市澜诺新材料科技有限公司 一种负氧离子净味多功能装饰涂料及制备方法
CN120118431B (zh) * 2025-04-18 2025-10-17 湖北润烨新能源有限公司 一种轻质复合动力电池盖板的制备方法

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Also Published As

Publication number Publication date
ATE494309T1 (de) 2011-01-15
US7098194B2 (en) 2006-08-29
EP1448607A1 (en) 2004-08-25
CA2467049C (en) 2011-04-12
CA2467049A1 (en) 2003-05-22
WO2003042250A1 (en) 2003-05-22
EP1448607B1 (en) 2011-01-05
US20030129730A1 (en) 2003-07-10
ES2357889T3 (es) 2011-05-03
DE60238858D1 (de) 2011-02-17

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