FI893223A - Foerfarande foer kontinuerlig framstaellning av mikrokristallin kitosan. - Google Patents

Foerfarande foer kontinuerlig framstaellning av mikrokristallin kitosan. Download PDF

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Publication number
FI893223A
FI893223A FI893223A FI893223A FI893223A FI 893223 A FI893223 A FI 893223A FI 893223 A FI893223 A FI 893223A FI 893223 A FI893223 A FI 893223A FI 893223 A FI893223 A FI 893223A
Authority
FI
Finland
Prior art keywords
kitosan
microcrystalline
foerfarande foer
framstaellning
foer kontinuerlig
Prior art date
Application number
FI893223A
Other languages
English (en)
Other versions
FI893223A0 (fi
FI83426B (fi
FI83426C (fi
Inventor
Henryk Struszczyk
Antoni Niekraszewicz
Krzystyna Wrzesniewska-Tosik
Stanislaw Koch
Olli Kivekaes
Original Assignee
Firextra Oy
Inst Wlokien Chem
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 Firextra Oy, Inst Wlokien Chem filed Critical Firextra Oy
Priority to FI893223A priority Critical patent/FI83426C/fi
Publication of FI893223A0 publication Critical patent/FI893223A0/fi
Priority to PCT/FI1990/000173 priority patent/WO1991000298A1/en
Priority to SU904894886A priority patent/RU2046800C1/ru
Publication of FI893223A publication Critical patent/FI893223A/fi
Priority to NO910707A priority patent/NO303339B1/no
Publication of FI83426B publication Critical patent/FI83426B/fi
Application granted granted Critical
Publication of FI83426C publication Critical patent/FI83426C/fi

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)
FI893223A 1989-06-30 1989-06-30 Foerfarande foer kontinuerlig framstaellning av mikrokristallin kitosan. FI83426C (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI893223A FI83426C (fi) 1989-06-30 1989-06-30 Foerfarande foer kontinuerlig framstaellning av mikrokristallin kitosan.
PCT/FI1990/000173 WO1991000298A1 (en) 1989-06-30 1990-07-02 Method for continuous manufacture of microcrystalline chitosan
SU904894886A RU2046800C1 (ru) 1989-06-30 1990-07-02 Способ получения микрокристаллического хитозана
NO910707A NO303339B1 (no) 1989-06-30 1991-02-22 FramgangsmÕte for kontinuerlig tilvirkning av mikrokrystallisk chitosan

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI893223A FI83426C (fi) 1989-06-30 1989-06-30 Foerfarande foer kontinuerlig framstaellning av mikrokristallin kitosan.
FI893223 1989-06-30

Publications (4)

Publication Number Publication Date
FI893223A0 FI893223A0 (fi) 1989-06-30
FI893223A true FI893223A (fi) 1990-12-31
FI83426B FI83426B (fi) 1991-03-28
FI83426C FI83426C (fi) 1991-07-10

Family

ID=8528702

Family Applications (1)

Application Number Title Priority Date Filing Date
FI893223A FI83426C (fi) 1989-06-30 1989-06-30 Foerfarande foer kontinuerlig framstaellning av mikrokristallin kitosan.

Country Status (4)

Country Link
FI (1) FI83426C (fi)
NO (1) NO303339B1 (fi)
RU (1) RU2046800C1 (fi)
WO (1) WO1991000298A1 (fi)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI93687C (fi) * 1992-07-29 1995-05-26 Novasso Oy Menetelmä siementen päällystämiseksi
FI95207C (fi) * 1992-09-14 1996-01-10 Novasso Oy Haavansuojaside
FI107432B (fi) * 1997-02-06 2001-08-15 Novasso Oy Mikrokiteisen kitosaanin käyttö
DE69917784T2 (de) 1998-07-30 2004-12-02 Vital Living, Inc., Phoenix Flüssige chitosan-enthaltende zusammensetzungen und verfahren zur herstellung und verwendung
FI982291A (fi) * 1998-10-23 2000-04-24 Novasso Oy Aine kolesterolin sekä lipidien pitoisuuden alentamiseksi
AU5878600A (en) * 1999-06-25 2001-01-31 E-Nutriceuticals, Inc. Novel chitosan-containing liquid compositions and methods for their preparation and use
US6740752B2 (en) 2000-05-12 2004-05-25 The Procter & Gamble Company Process for preparing chitosan particles
PL340132A1 (en) * 2000-05-12 2001-11-19 Procter & Gamble Method of obtaining modified microcrystalline chitosamine
WO2003057736A1 (en) * 2002-01-09 2003-07-17 Abbott Laboratories De Costa Rica Ltd Methods of producing modified microcrystalline chitosan and uses therefor
PL196686B1 (pl) * 2002-02-07 2008-01-31 Abbott Lab De Costa Rica Ltd Sposób oczyszczania chitozanu z białek
US20040176477A1 (en) * 2003-03-06 2004-09-09 The Procter & Gamble Company Chitosan powder
AU2003271241A1 (en) * 2003-03-31 2004-10-25 Boris Olegovich Maier Chitosan product, method for the production thereof, methods for producing chitosan product derivatives and compositions based thereon
CN100572399C (zh) * 2006-09-19 2009-12-23 宁波新芝生物科技股份有限公司 一种超微化几丁聚糖产品的加工方法
AT506334B1 (de) 2008-01-22 2010-12-15 Chemiefaser Lenzing Ag Verfahren zur behandlung cellulosischer formkörper
WO2011117111A1 (de) 2010-03-25 2011-09-29 Lenzing Aktiengesellschaft Verwendung einer cellulosefaser
GB201309606D0 (en) * 2013-05-29 2013-07-10 Medtrade Products Ltd Process for producing low endotoxin chitosan
GB201309607D0 (en) * 2013-05-29 2013-07-10 Medtrade Products Ltd Process for producing low endotoxin chitosan
RU2627540C1 (ru) * 2016-04-14 2017-08-08 Сергей Вадимович Левитин Способ получения нанокристаллитов низкомолекулярного хитозана

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0780921B2 (ja) * 1987-01-23 1995-08-30 ダイセル化学工業株式会社 微結晶キトサンおよびその製造方法

Also Published As

Publication number Publication date
FI893223A0 (fi) 1989-06-30
NO303339B1 (no) 1998-06-29
NO910707D0 (no) 1991-02-22
FI83426B (fi) 1991-03-28
FI83426C (fi) 1991-07-10
NO910707L (no) 1991-02-22
WO1991000298A1 (en) 1991-01-10
RU2046800C1 (ru) 1995-10-27

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: FIREXTRA OY

Owner name: INSTITUT WLOKIEN CHEMICZNYCH