DK13998A - Process for the preparation of chitosan by deacetylation of chitin, using the one used in the deacetylation - Google Patents

Process for the preparation of chitosan by deacetylation of chitin, using the one used in the deacetylation

Info

Publication number
DK13998A
DK13998A DK13998A DK13998A DK13998A DK 13998 A DK13998 A DK 13998A DK 13998 A DK13998 A DK 13998A DK 13998 A DK13998 A DK 13998A DK 13998 A DK13998 A DK 13998A
Authority
DK
Denmark
Prior art keywords
deacetylation
chitin
chitosan
preparation
Prior art date
Application number
DK13998A
Other languages
Danish (da)
Other versions
DK173088B1 (en
Inventor
Jon Olavur Joensen
Original Assignee
Matcon Radgivende Ing Firma
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 Matcon Radgivende Ing Firma filed Critical Matcon Radgivende Ing Firma
Priority to DK13998A priority Critical patent/DK173088B1/en
Priority to AU22653/99A priority patent/AU2265399A/en
Priority to PCT/DK1999/000048 priority patent/WO1999038893A1/en
Publication of DK13998A publication Critical patent/DK13998A/en
Application granted granted Critical
Publication of DK173088B1 publication Critical patent/DK173088B1/en
Priority to NO20003831A priority patent/NO20003831L/en

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DK13998A 1998-02-02 1998-02-02 Process for the preparation of chitosan by deacetylation of chitin, using the one used in the deacetylation DK173088B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK13998A DK173088B1 (en) 1998-02-02 1998-02-02 Process for the preparation of chitosan by deacetylation of chitin, using the one used in the deacetylation
AU22653/99A AU2265399A (en) 1998-02-02 1999-02-01 A method of producing chitosan by deacetylation of chitin under re-use of the hydroxide solution used for said deacetylation
PCT/DK1999/000048 WO1999038893A1 (en) 1998-02-02 1999-02-01 A method of producing chitosan by deacetylation of chitin under re-use of the hydroxide solution used for said deacetylation
NO20003831A NO20003831L (en) 1998-02-02 2000-07-26 Process for the preparation of chitosan by deacetylation of chitin by reusing the hydroxide solution used for the deacetylation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK13998A DK173088B1 (en) 1998-02-02 1998-02-02 Process for the preparation of chitosan by deacetylation of chitin, using the one used in the deacetylation
DK13998 1998-02-02

Publications (2)

Publication Number Publication Date
DK13998A true DK13998A (en) 1999-08-03
DK173088B1 DK173088B1 (en) 2000-01-03

Family

ID=8090201

Family Applications (1)

Application Number Title Priority Date Filing Date
DK13998A DK173088B1 (en) 1998-02-02 1998-02-02 Process for the preparation of chitosan by deacetylation of chitin, using the one used in the deacetylation

Country Status (4)

Country Link
AU (1) AU2265399A (en)
DK (1) DK173088B1 (en)
NO (1) NO20003831L (en)
WO (1) WO1999038893A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103709269B (en) * 2013-12-27 2016-05-25 中国科学院海洋研究所 A kind of method of preparing super chitosan with high deacetylation degree
FR3016882A1 (en) 2014-01-30 2015-07-31 Sofradim Production PROCESS FOR THE PREPARATION OF HIGH-DEGREE ACETYLATION CHITOSAN
WO2019064231A1 (en) * 2017-09-27 2019-04-04 Association For The Advancement Of Tissue Engineering And Cell Based Technologies & Therapies (A4Tec) - Associação High molecular weight chitosan, process for obtaining and uses thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3862122A (en) * 1972-02-16 1975-01-21 Quintin P Peniston Method of recovering chitosan and other by-products from shellfish waste and the like
US4195175A (en) * 1978-01-03 1980-03-25 Johnson Edwin L Process for the manufacture of chitosan
GB8824971D0 (en) * 1988-10-25 1988-11-30 Roberts G A F Method for production of chitosan
FR2650282B1 (en) * 1989-07-26 1992-09-04 Dev Utilisations Cuir PROCESS FOR THE PREPARATION OF CHITOSAN BY N-DEACETYLATION OF CHITINE

Also Published As

Publication number Publication date
DK173088B1 (en) 2000-01-03
NO20003831D0 (en) 2000-07-26
WO1999038893A1 (en) 1999-08-05
AU2265399A (en) 1999-08-16
NO20003831L (en) 2000-09-26

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