EP1940877A4 - Modified biodegradable polymers, preparation and use thereof for making biomaterials and dressings - Google Patents

Modified biodegradable polymers, preparation and use thereof for making biomaterials and dressings

Info

Publication number
EP1940877A4
EP1940877A4 EP06790645A EP06790645A EP1940877A4 EP 1940877 A4 EP1940877 A4 EP 1940877A4 EP 06790645 A EP06790645 A EP 06790645A EP 06790645 A EP06790645 A EP 06790645A EP 1940877 A4 EP1940877 A4 EP 1940877A4
Authority
EP
European Patent Office
Prior art keywords
dressings
preparation
biodegradable polymers
modified biodegradable
making biomaterials
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.)
Withdrawn
Application number
EP06790645A
Other languages
German (de)
French (fr)
Other versions
EP1940877A1 (en
Inventor
Trung Bui-Khac
Ngoc Lang Ong
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.)
Individual
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 EP1940877A1 publication Critical patent/EP1940877A1/en
Publication of EP1940877A4 publication Critical patent/EP1940877A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • A61L27/58—Materials at least partially resorbable by the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
    • A61K31/716—Glucans
    • A61K31/722—Chitin, chitosan
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0208—Tissues; Wipes; Patches
    • 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
    • A61K8/64—Proteins; Peptides; Derivatives or degradation products thereof
    • A61K8/65—Collagen; Gelatin; Keratin; Derivatives or degradation products thereof
    • 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
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/14—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
    • A61P17/02—Drugs for dermatological disorders for treating wounds, ulcers, burns, scars, keloids, or the like
    • 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
    • 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
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
    • C08B37/0063—Glycosaminoglycans or mucopolysaccharides, e.g. keratan sulfate; Derivatives thereof, e.g. fucoidan
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H1/00—Macromolecular products derived from proteins
    • C08H1/06—Macromolecular products derived from proteins derived from horn, hoofs, hair, skin or leather
    • 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
    • A61Q19/08—Anti-ageing preparations
EP06790645A 2005-09-06 2006-09-05 Modified biodegradable polymers, preparation and use thereof for making biomaterials and dressings Withdrawn EP1940877A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002518298A CA2518298A1 (en) 2005-09-06 2005-09-06 Biodegradable polymers, their preparation and their use for the manufacture of bandages
PCT/CA2006/001468 WO2007028244A1 (en) 2005-09-06 2006-09-05 Modified biodegradable polymers, preparation and use thereof for making biomaterials and dressings

Publications (2)

Publication Number Publication Date
EP1940877A1 EP1940877A1 (en) 2008-07-09
EP1940877A4 true EP1940877A4 (en) 2009-08-19

Family

ID=37835336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06790645A Withdrawn EP1940877A4 (en) 2005-09-06 2006-09-05 Modified biodegradable polymers, preparation and use thereof for making biomaterials and dressings

Country Status (4)

Country Link
US (1) US20090035356A1 (en)
EP (1) EP1940877A4 (en)
CA (1) CA2518298A1 (en)
WO (1) WO2007028244A1 (en)

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EP2612872A3 (en) 2006-06-02 2014-01-22 Synedgen, Inc. Chitosan-Derivative Compounds
WO2009123713A1 (en) * 2008-04-01 2009-10-08 Cornell University Organo-soluble chitosan salts and chitosan-derived biomaterials prepared thereof
US8445603B2 (en) 2008-09-22 2013-05-21 Tyrx, Inc. Linear polyesteramides from aminophenolic esters
WO2010105357A1 (en) * 2009-03-20 2010-09-23 Fpinnovations Cellulose materials with novel properties
US9839628B2 (en) 2009-06-01 2017-12-12 Tyrx, Inc. Compositions and methods for preventing sternal wound infections
WO2011084326A2 (en) * 2009-12-21 2011-07-14 Resodyn Corporation Hemostatic agents and wound dressings
CN102727925B (en) 2011-04-02 2014-09-17 佛山市优特医疗科技有限公司 Acylated chitosan wound dressing, and preparation method and application thereof
EP3569262A1 (en) 2013-03-14 2019-11-20 Tricol Biomedical, Inc. Biocompatible and bioabsorbable derivatized chitosan compositions
US9238090B1 (en) 2014-12-24 2016-01-19 Fettech, Llc Tissue-based compositions
WO2016201213A1 (en) * 2015-06-10 2016-12-15 Ngo Albert N Formulations for pharmaceutical agents
CN105770984A (en) * 2016-03-14 2016-07-20 宁波市江东林清环保科技有限公司 Preparation method of modified chitosan-based hemostatic sponge
CN107903339B (en) * 2017-11-27 2020-04-14 暨南大学 Chitosan derivative containing amphoteric amino acid group and preparation method and application thereof
EP3934659A4 (en) * 2019-03-05 2022-12-14 Medcura, Inc. System and method to reduce tissue or organ adhesion
US11529328B2 (en) 2019-04-15 2022-12-20 The Curators Of The University Of Missouri Formulations for pharmaceutical agents
CN111905152B (en) * 2020-07-06 2022-03-08 中国科学院上海硅酸盐研究所 Silicon-based bioactive glass composite hydrogel with self-healing characteristic, preparation method thereof and application thereof in myocardial repair
CN114681656B (en) * 2020-12-31 2023-07-07 苏州博创同康生物工程有限公司 Antibacterial repair absorbable composite polysaccharide biological material and preparation method and application thereof
US20230124861A1 (en) * 2021-10-14 2023-04-20 Michael McNally Hemostatic gauze pouch
CN114632445B (en) * 2022-02-25 2023-04-28 湖南益安生物科技有限公司 Composite medical biopolymer material and preparation method thereof
CN114507306B (en) * 2022-03-02 2024-02-27 广州伊莱新材料有限公司 Tricarboxylic acid compound and preparation method and application thereof
CN115105624B (en) * 2022-08-26 2022-11-08 广东海洋大学 Marine polysaccharide-based efficient antibacterial film dressing and preparation method thereof

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Also Published As

Publication number Publication date
EP1940877A1 (en) 2008-07-09
CA2518298A1 (en) 2007-03-06
WO2007028244A1 (en) 2007-03-15
US20090035356A1 (en) 2009-02-05

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