AU2265399A - A method of producing chitosan by deacetylation of chitin under re-use of the hydroxide solution used for said deacetylation - Google Patents

A method of producing chitosan by deacetylation of chitin under re-use of the hydroxide solution used for said deacetylation

Info

Publication number
AU2265399A
AU2265399A AU22653/99A AU2265399A AU2265399A AU 2265399 A AU2265399 A AU 2265399A AU 22653/99 A AU22653/99 A AU 22653/99A AU 2265399 A AU2265399 A AU 2265399A AU 2265399 A AU2265399 A AU 2265399A
Authority
AU
Australia
Prior art keywords
deacetylation
hydroxide solution
solution used
producing chitosan
chitin under
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.)
Abandoned
Application number
AU22653/99A
Inventor
Jon Olavur Joensen
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.)
Matcon Radgivende Ingeniorfirma ApS
Original Assignee
Matcon Radgivende Ingeniorfirma ApS
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 Ingeniorfirma ApS filed Critical Matcon Radgivende Ingeniorfirma ApS
Publication of AU2265399A publication Critical patent/AU2265399A/en
Abandoned legal-status Critical Current

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)
AU22653/99A 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 Abandoned AU2265399A (en)

Applications Claiming Priority (3)

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
DK139/98 1998-02-02
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

Publications (1)

Publication Number Publication Date
AU2265399A true AU2265399A (en) 1999-08-16

Family

ID=8090201

Family Applications (1)

Application Number Title Priority Date Filing Date
AU22653/99A Abandoned 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

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
US20200262937A1 (en) * 2017-09-27 2020-08-20 Association For The Advancement Of Tissue Engineering Cell Based Technologies & Therapies (A4Tec)- 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
DK13998A (en) 1999-08-03
WO1999038893A1 (en) 1999-08-05
NO20003831D0 (en) 2000-07-26
NO20003831L (en) 2000-09-26

Similar Documents

Publication Publication Date Title
AU4620997A (en) Process for producing aqueous polymer dispersions
AU7825600A (en) Process for producing ethylene
EP0933418B8 (en) Method for producing a rubber process oil
AU5328300A (en) A production system and method for producing fluids from a well
HUP9600334A2 (en) Process for producing emulgator-free aqueous polymer dispersions
AU7278100A (en) Method for producing aqueous polymer dispersions
AU6559398A (en) Process for producing polymer films from aqueous polymer compositions
AU7466900A (en) A process for the preparation of h-tyr-d-ala-phe(f)-phe-nh2
AU7424600A (en) Method for acquiring a certain product, such as a car, through the internet
AU3194200A (en) Process for producing l-lysine
AU2001263046A1 (en) Process for preparing chitosan particles
AU6787996A (en) Process for preparing an aqueous polymer dispersion
AU7959100A (en) Cellulose dope and process for producing the same
AU2265399A (en) A method of producing chitosan by deacetylation of chitin under re-use of the hydroxide solution used for said deacetylation
AU2949800A (en) Method for the production of polyhydroxyalkanoate
AU6195399A (en) Method for producing a polymer
AU7901400A (en) Method for the production of regular nanostructures
AU7773700A (en) Method for the production or preparation of 2,6-dichlorotoluol
AU7859000A (en) A method for improving the performance of micromachined devices
EP1118623A4 (en) Process for producing chitin derivative
AU2355301A (en) Method for producing polymers on the basis of 1,3 dienes
AU1517900A (en) Photochemical process for making 1-deoxy-2-keto derivatives
AU5214300A (en) Method for producing 2,2,4,4-tetra-substituted 1,3,5-cyclohexanetriones
AU6597400A (en) Process for producing glycosides
AU1283001A (en) Method for producing alkylhalogenosilanes

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase