ATE494309T1 - Zusammensetzung und verfahren um chitosan unter neutralen bedingungen homogen zu modifizieren oder vernetzen - Google Patents

Zusammensetzung und verfahren um chitosan unter neutralen bedingungen homogen zu modifizieren oder vernetzen

Info

Publication number
ATE494309T1
ATE494309T1 AT02779062T AT02779062T ATE494309T1 AT E494309 T1 ATE494309 T1 AT E494309T1 AT 02779062 T AT02779062 T AT 02779062T AT 02779062 T AT02779062 T AT 02779062T AT E494309 T1 ATE494309 T1 AT E494309T1
Authority
AT
Austria
Prior art keywords
chitosan
solution
reagent
homogeneously
weight
Prior art date
Application number
AT02779062T
Other languages
English (en)
Inventor
Abdellatif Chenite
Mohammed Berrada
Cyril Chaput
Fouad Dabbarh
Amine Selmani
Original Assignee
Biosyntech Canada Inc
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 Biosyntech Canada Inc filed Critical Biosyntech Canada Inc
Application granted granted Critical
Publication of ATE494309T1 publication Critical patent/ATE494309T1/de

Links

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
AT02779062T 2001-11-15 2002-11-15 Zusammensetzung und verfahren um chitosan unter neutralen bedingungen homogen zu modifizieren oder vernetzen ATE494309T1 (de)

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
ATE494309T1 true ATE494309T1 (de) 2011-01-15

Family

ID=23293865

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02779062T ATE494309T1 (de) 2001-11-15 2002-11-15 Zusammensetzung und verfahren um chitosan unter neutralen bedingungen homogen zu modifizieren oder vernetzen

Country Status (8)

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

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CN106632730B (zh) * 2017-01-06 2019-01-22 浙江医药高等专科学校 一种具有内涵体逃逸功能的壳聚糖衍生物及其制备方法和应用
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CN114763543A (zh) * 2021-01-15 2022-07-19 百瑞全球有限公司 膜状固定化细胞、多肽、寡肽或蛋白质及其制备方法
CN113294198B (zh) * 2021-05-20 2024-01-23 太原理工大学 一种可溶缓释温敏阻化剂及其制备方法
CN113289588A (zh) * 2021-05-24 2021-08-24 江苏乐尔环境科技股份有限公司 一种壳聚糖改性的重金属螯合剂
CN113797385B (zh) * 2021-08-18 2022-05-24 山东大学 一种壳聚糖/聚乙二醇水凝胶及其制备方法与应用
CN114225098B (zh) * 2021-11-24 2023-04-11 中国科学院理化技术研究所 一种具有抗菌和促进伤口愈合的医用敷料
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
CN116396414A (zh) * 2023-04-10 2023-07-07 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

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Also Published As

Publication number Publication date
EP1448607B1 (de) 2011-01-05
CA2467049C (en) 2011-04-12
EP1448607A1 (de) 2004-08-25
DE60238858D1 (de) 2011-02-17
US7098194B2 (en) 2006-08-29
US20030129730A1 (en) 2003-07-10
DK1448607T3 (da) 2011-04-26
WO2003042250A1 (en) 2003-05-22
ES2357889T3 (es) 2011-05-03
CA2467049A1 (en) 2003-05-22

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