ATE445648T1 - Verfahren zur herstellung von chitosan - Google Patents

Verfahren zur herstellung von chitosan

Info

Publication number
ATE445648T1
ATE445648T1 AT02745687T AT02745687T ATE445648T1 AT E445648 T1 ATE445648 T1 AT E445648T1 AT 02745687 T AT02745687 T AT 02745687T AT 02745687 T AT02745687 T AT 02745687T AT E445648 T1 ATE445648 T1 AT E445648T1
Authority
AT
Austria
Prior art keywords
producing chitosan
chitosan
particulate chitin
chitin
deacetylation
Prior art date
Application number
AT02745687T
Other languages
English (en)
Inventor
Kjell Morten Varum
Olav Smidsrod
Original Assignee
Advanced Biopolymers As
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
Priority claimed from NO20013802A external-priority patent/NO20013802D0/no
Application filed by Advanced Biopolymers As filed Critical Advanced Biopolymers As
Application granted granted Critical
Publication of ATE445648T1 publication Critical patent/ATE445648T1/de

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
AT02745687T 2001-08-02 2002-07-29 Verfahren zur herstellung von chitosan ATE445648T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO20013802A NO20013802D0 (no) 2001-08-02 2001-08-02 Fremgangsmåte for fremstilling av kitosaner
NO20015986A NO20015986D0 (no) 2001-08-02 2001-12-06 Produktet chitosan, samt fremstillingsmetode og anvendelse av chitosan
PCT/GB2002/003471 WO2003011912A1 (en) 2001-08-02 2002-07-29 Chitosan preparation

Publications (1)

Publication Number Publication Date
ATE445648T1 true ATE445648T1 (de) 2009-10-15

Family

ID=26649318

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02745687T ATE445648T1 (de) 2001-08-02 2002-07-29 Verfahren zur herstellung von chitosan

Country Status (12)

Country Link
US (1) US20040215005A1 (de)
EP (1) EP1412391B1 (de)
JP (1) JP2005500410A (de)
CN (1) CN1592756A (de)
AT (1) ATE445648T1 (de)
CA (1) CA2455777A1 (de)
DE (1) DE60234032D1 (de)
IS (1) IS2730B (de)
NO (2) NO20015986D0 (de)
PE (1) PE20030371A1 (de)
SV (1) SV2003001201A (de)
WO (1) WO2003011912A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1014638A6 (fr) * 2002-02-12 2004-02-03 Univ Liege Methode de preparation de derives de la paroi cellulaire a partir de biomasse.
GB0302741D0 (en) * 2003-02-06 2003-03-12 Advanced Biopolymers As Use
US7544785B2 (en) * 2003-06-06 2009-06-09 Venture Chemicals, Inc. Process for the treatment for chitinaceous materials and for the deacetylation of chitin
WO2005097871A1 (en) * 2004-03-22 2005-10-20 Universite De Geneve Pseudo-thermosetting neutralized chitosan composition forming a hydrogel and a process for producing the same
US20070292903A1 (en) * 2004-11-25 2007-12-20 Takashi Kobayashi Method of detemining tropomyosin in chitosan
DK1917218T3 (en) * 2005-06-14 2017-09-11 Genís Hf COMPOSITIONS OF PARTIALLY DEACETYLATED CHITIN DERIVATIVES
WO2007059605A1 (en) * 2005-11-04 2007-05-31 Bio Syntech Canada Inc. Composition and method for efficient delivery of nucleic acids to cells using chitosan
CA2653390C (en) 2006-06-02 2014-07-08 Hawaii Chitopure, Inc. Chitosan-derivative compounds and methods of controlling microbial populations
ITMI20061373A1 (it) * 2006-07-14 2008-01-15 Sirc S P A Natural & Dietetic Foods Chitine e chitosani in forma attivata e loro proprieta' dimagranti ipoglicemizzanti e ipolipemizzanti
WO2008063503A2 (en) * 2006-11-13 2008-05-29 Hawaii Chitopure, Inc. Methods of making a chitosan product having an ultra-low endotoxin concentration and the ultra-low endotoxin chitosan product derived therefrom and method of accurately determining inflammatory and anti-inflammatory cellular response to such materials.
EP2121026B1 (de) * 2006-12-11 2017-06-28 CHIT2GEL Ltd. Neue injizierbare hydrogel bildende chitosan-gemische
US8153612B2 (en) 2006-12-11 2012-04-10 Chi2Gel Ltd. Injectable chitosan mixtures forming hydrogels
US9034348B2 (en) 2006-12-11 2015-05-19 Chi2Gel Ltd. Injectable chitosan mixtures forming hydrogels
MX2010010181A (es) * 2008-03-19 2011-05-25 Agratech International Inc Procedimiento de fabricacion de quitosano.
US9555120B2 (en) 2010-05-04 2017-01-31 Viscogel Ab Chitosan composition
JP2015508835A (ja) * 2012-02-15 2015-03-23 インビコン エー／エス 熱水前処理のフィードバック制御を用いたリグノセルロース系バイオマスの処理方法
CN102617755A (zh) * 2012-04-20 2012-08-01 江南大学 一种用虾壳或虾壳加工残渣制备壳聚糖的简易工艺
GB201316082D0 (en) 2013-09-09 2013-10-23 Viscogel Ab Chitosan composition
JP7069494B2 (ja) * 2017-10-02 2022-05-18 花王株式会社 脱アセチル化キチンの製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4195175A (en) 1978-01-03 1980-03-25 Johnson Edwin L Process for the manufacture of chitosan
DE3223423A1 (de) * 1982-06-23 1983-12-29 Wella Ag, 6100 Darmstadt Kosmetische mittel auf der basis von chitosanderivaten, neue chitosanderivate sowie verfahren zur herstellung dieser derivate
PL142173B1 (en) 1984-04-10 1987-09-30 Morski Inst Rybacki Chemicaly bounded beta-chitin deacetylation process
US4929722A (en) * 1986-06-06 1990-05-29 Union Carbide Chemicals And Plastics Company Inc. Acid decrystallization of aminopolysaccharides and derivatives thereof
US5010181A (en) * 1988-03-28 1991-04-23 Coughlin Robert W Partially treated shellfish waste for removal of heavy metals from aqueous solution
JP2667351B2 (ja) * 1992-03-24 1997-10-27 麒麟麦酒株式会社 食餌脂質消化吸収阻害剤および飲食品
KR970008132B1 (ko) * 1993-02-08 1997-05-21 전동원 생체 임상의학용 키틴 및 키토산 제조방법
US5599916A (en) 1994-12-22 1997-02-04 Kimberly-Clark Corporation Chitosan salts having improved absorbent properties and process for the preparation thereof
IL119188A (en) * 1995-09-14 2000-08-31 Bioestimulantes Organicos Lda Formulation and method to increase resistance of plants to pathogenic agents and environmental stress
JP2990248B2 (ja) * 1997-06-18 1999-12-13 鳥取県 非晶質の水溶性部分脱アセチル化キチンの製造方法
CA2313836C (en) 2000-03-15 2009-06-09 Cargill, Incorporated Chitosan and method of preparing chitosan

Also Published As

Publication number Publication date
SV2003001201A (es) 2003-03-18
EP1412391A1 (de) 2004-04-28
IS2730B (is) 2011-04-15
PE20030371A1 (es) 2003-06-02
JP2005500410A (ja) 2005-01-06
CN1592756A (zh) 2005-03-09
EP1412391B1 (de) 2009-10-14
WO2003011912A1 (en) 2003-02-13
NO20015986D0 (no) 2001-12-06
DE60234032D1 (de) 2009-11-26
NO20040381L (no) 2004-03-29
CA2455777A1 (en) 2003-02-13
US20040215005A1 (en) 2004-10-28
IS7135A (is) 2004-01-30
NO332892B1 (no) 2013-01-28

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