EP2793908A4 - Composition, preparation, and use of dense chitosan membrane materials - Google Patents
Composition, preparation, and use of dense chitosan membrane materialsInfo
- Publication number
- EP2793908A4 EP2793908A4 EP12859619.4A EP12859619A EP2793908A4 EP 2793908 A4 EP2793908 A4 EP 2793908A4 EP 12859619 A EP12859619 A EP 12859619A EP 2793908 A4 EP2793908 A4 EP 2793908A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- preparation
- composition
- membrane materials
- chitosan membrane
- dense chitosan
- 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- Withdrawn
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
- 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
- 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
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/10—Antimycotics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
- A61P7/04—Antihaemorrhagics; Procoagulants; Haemostatic agents; Antifibrinolytic agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
- C08J2305/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Communicable Diseases (AREA)
- Molecular Biology (AREA)
- Oncology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Dermatology (AREA)
- Hematology (AREA)
- Diabetes (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Materials For Medical Uses (AREA)
- Medicinal Preparation (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161579003P | 2011-12-22 | 2011-12-22 | |
PCT/US2012/070617 WO2013096448A1 (en) | 2011-12-22 | 2012-12-19 | Composition, preparation, and use of dense chitosan membrane materials |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2793908A1 EP2793908A1 (en) | 2014-10-29 |
EP2793908A4 true EP2793908A4 (en) | 2015-08-19 |
Family
ID=48669446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12859619.4A Withdrawn EP2793908A4 (en) | 2011-12-22 | 2012-12-19 | Composition, preparation, and use of dense chitosan membrane materials |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2793908A4 (en) |
JP (1) | JP2015511214A (en) |
KR (1) | KR20140122231A (en) |
CN (1) | CN104144692A (en) |
BR (1) | BR112014015444A2 (en) |
IL (1) | IL233290A0 (en) |
WO (1) | WO2013096448A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103893204B (en) * | 2014-04-03 | 2016-05-11 | 石家庄亿生堂医用品有限公司 | A kind of preparation method of chitosan hydrochloride calcium styptic powder |
WO2017099261A1 (en) * | 2015-12-07 | 2017-06-15 | 주식회사 글로원 | Method for preparing scaffold by using salt leaching and immersion precipitation methods, and scaffold thereof |
WO2017122216A1 (en) * | 2016-01-14 | 2017-07-20 | Amnivor Medicare Private Limited | A process for extraction of collagen from fish scale and polyelectrolyte based bioactive super-absorbent materials |
CN106046398A (en) * | 2016-06-22 | 2016-10-26 | 深圳普洛美康材料有限公司 | Hydrogel and preparation method thereof |
WO2018083643A1 (en) * | 2016-11-04 | 2018-05-11 | Axio Biosolutions Pvt. Ltd | Mucoadhesive preparations, methods and applications thereof |
WO2019051750A1 (en) * | 2017-09-14 | 2019-03-21 | 谭玲 | Method for preparing polyethylene glycol modified chitosan film |
ES2906715T3 (en) * | 2018-09-06 | 2022-04-20 | Marine Essence Biosciences Corp Of Usa | Biomaterial devices for guided tissue regeneration |
KR102205564B1 (en) * | 2019-03-08 | 2021-01-22 | 주식회사 제론바이오 | PDRN encapsulated chitosan nanoparticles included chitosan nanofilm and a method for preparing the same |
CN111234289B (en) * | 2020-02-11 | 2022-04-01 | 南通大学 | Anti-adhesion polyformaldehyde ligation hemostatic clamp and preparation method and application thereof |
KR102256257B1 (en) * | 2020-04-21 | 2021-05-26 | 한국화학연구원 | A chiral Nitrogen-doped nematic carbon-sheath nanofiber, method for its preparation, and use thereof |
CN114306714B (en) * | 2021-12-31 | 2022-08-02 | 安徽科门生物科技有限公司 | Method for preparing stem cell composite biological material for skin regeneration and repair |
CN115252879A (en) * | 2022-07-13 | 2022-11-01 | 肖地生 | Preparation method and application of chitosan hemostatic material |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020131933A1 (en) * | 1996-01-16 | 2002-09-19 | Yves Delmotte | Biopolymer membrane and methods for its preparation |
US6271278B1 (en) * | 1997-05-13 | 2001-08-07 | Purdue Research Foundation | Hydrogel composites and superporous hydrogel composites having fast swelling, high mechanical strength, and superabsorbent properties |
US6740752B2 (en) * | 2000-05-12 | 2004-05-25 | The Procter & Gamble Company | Process for preparing chitosan particles |
US7371403B2 (en) * | 2002-06-14 | 2008-05-13 | Providence Health System-Oregon | Wound dressing and method for controlling severe, life-threatening bleeding |
US7536962B2 (en) * | 2005-04-19 | 2009-05-26 | Kamterter Ii, L.L.C. | Systems for the control and use of fluids and particles |
-
2012
- 2012-12-19 JP JP2014548836A patent/JP2015511214A/en active Pending
- 2012-12-19 BR BR112014015444A patent/BR112014015444A2/en not_active IP Right Cessation
- 2012-12-19 CN CN201280069003.XA patent/CN104144692A/en active Pending
- 2012-12-19 EP EP12859619.4A patent/EP2793908A4/en not_active Withdrawn
- 2012-12-19 KR KR20147020524A patent/KR20140122231A/en not_active Application Discontinuation
- 2012-12-19 WO PCT/US2012/070617 patent/WO2013096448A1/en active Application Filing
-
2014
- 2014-06-22 IL IL233290A patent/IL233290A0/en unknown
Non-Patent Citations (4)
Title |
---|
GUPTA B, SAXENA S: "Chitosan-polyethylene glycol coated cotton membranes for wound dressings", INDIAN JOURNAL OF FIBRE & TEXTILE RESEARCH, vol. 36, no. 3, September 2001 (2001-09-01) - September 2001 (2001-09-01), India, pages 272 - 280, XP002742079, ISSN: 0971-0426, Retrieved from the Internet <URL:http://nopr.niscair.res.in/bitstream/123456789/12651/1/IJFTR%2036%283%29%20272-280.pdf> [retrieved on 20150709] * |
HUANG-SHIAN TSAI ET AL: "Properties of hydrophilic chitosan network membranes by introducing binary crosslink agents", POLYMER BULLETIN, SPRINGER, BERLIN, DE, vol. 60, no. 1, 9 October 2007 (2007-10-09), pages 103 - 113, XP019587575, ISSN: 1436-2449 * |
JANG MOOK WON ET AL: "Plasticization of chitosan membrane for pervaporation of aqueous ethanol solution", KOREAN JOURNAL OF CHEMICAL ENGINEERING, vol. 13, no. 3, 1996 - May 1996 (1996-05-01), pages 324 - 327, XP002742080, ISSN: 0256-1115, Retrieved from the Internet <URL:http://asiatec2013.spekorea.org/PDF/KJChE/KC13/KC13-3-0324.pdf> [retrieved on 20150710], DOI: 10.1007/BF02705957 * |
See also references of WO2013096448A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN104144692A (en) | 2014-11-12 |
KR20140122231A (en) | 2014-10-17 |
IL233290A0 (en) | 2014-08-31 |
JP2015511214A (en) | 2015-04-16 |
WO2013096448A1 (en) | 2013-06-27 |
EP2793908A1 (en) | 2014-10-29 |
BR112014015444A2 (en) | 2017-07-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20140721 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: AGENTA BIOTECHNOLOGIES, INC. |
|
DAX | Request for extension of the european patent (deleted) | ||
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20150722 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C08J 3/075 20060101ALI20150714BHEP Ipc: A61K 31/722 20060101AFI20150714BHEP Ipc: C08L 5/08 20060101ALI20150714BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20160218 |