CA2407584A1 - Process for preparing chitosan particles - Google Patents

Process for preparing chitosan particles Download PDF

Info

Publication number
CA2407584A1
CA2407584A1 CA002407584A CA2407584A CA2407584A1 CA 2407584 A1 CA2407584 A1 CA 2407584A1 CA 002407584 A CA002407584 A CA 002407584A CA 2407584 A CA2407584 A CA 2407584A CA 2407584 A1 CA2407584 A1 CA 2407584A1
Authority
CA
Canada
Prior art keywords
chitosan
gel
particles
suspension
agitation
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
CA002407584A
Other languages
English (en)
French (fr)
Inventor
Henryk Struszczyk
Antoni Niekraszewicz
Alojzy Urbanowski
Magdalena Kucharska
Maria Wisniewska-Wrona
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.)
Individual
Original Assignee
Procter and Gamble Co
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 Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of CA2407584A1 publication Critical patent/CA2407584A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • C08J3/12—Powdering or granulating
    • C08J3/14—Powdering or granulating by precipitation from solutions
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
    • A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Plant Pathology (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Materials Engineering (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Cosmetics (AREA)
CA002407584A 2000-05-12 2001-05-10 Process for preparing chitosan particles Abandoned CA2407584A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PL34013200A PL340132A1 (en) 2000-05-12 2000-05-12 Method of obtaining modified microcrystalline chitosamine
PLP.340132 2000-05-12
PCT/US2001/015182 WO2001087988A1 (en) 2000-05-12 2001-05-10 Process for preparing chitosan particles

Publications (1)

Publication Number Publication Date
CA2407584A1 true CA2407584A1 (en) 2001-11-22

Family

ID=20076628

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002407584A Abandoned CA2407584A1 (en) 2000-05-12 2001-05-10 Process for preparing chitosan particles

Country Status (6)

Country Link
EP (1) EP1280829A1 (de)
JP (1) JP2004501235A (de)
AU (1) AU2001263046A1 (de)
CA (1) CA2407584A1 (de)
PL (1) PL340132A1 (de)
WO (1) WO2001087988A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL340131A1 (en) * 2000-05-12 2001-11-19 Procter & Gamble Plant care biopreparation
GB0126923D0 (en) * 2001-11-09 2002-01-02 Procter & Gamble Chitosan compositions
PL196686B1 (pl) * 2002-02-07 2008-01-31 Abbott Lab De Costa Rica Ltd Sposób oczyszczania chitozanu z białek
KR100481793B1 (ko) * 2002-05-24 2005-04-11 주식회사 만나피아 수용성 키토산의 제조방법
FR2843965A1 (fr) * 2002-08-28 2004-03-05 Rhodia Chimie Sa Particules sous forme de poudre et dispersions a base d'alginate modifie, et leurs procedes de preparation
US20040176477A1 (en) * 2003-03-06 2004-09-09 The Procter & Gamble Company Chitosan powder
WO2006067626A2 (en) * 2004-12-20 2006-06-29 Carbgraft Ab Chitosan compositions
JP4813054B2 (ja) * 2004-12-21 2011-11-09 学校法人 関西大学 中性のキトサンヒドロゲルおよびその製造方法
FR2897775B1 (fr) * 2006-02-24 2013-05-03 Elisabeth Laugier Biomateriau, implant injectable le comprenant, son procede de preparation et ses utilisations
US7776840B2 (en) 2007-02-21 2010-08-17 Cutanea Life Sciences, Inc. Methods of use of biomaterial and injectable implant containing biomaterial
RU2548003C1 (ru) * 2013-12-17 2015-04-10 Константин Сергеевич Назаров Способ получения производного хитозана, обладающего амфифильными свойствами
KR102661511B1 (ko) * 2021-10-20 2024-04-26 서울대학교산학협력단 키토산 담체 합성 장치 및 방법
CN113980154B (zh) * 2021-11-19 2022-12-02 南开大学 一种高强度壳聚糖配体交换树脂及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL125995B2 (en) * 1981-02-27 1983-06-30 Process for preparing chitosan of enlarged internal surface
FI83426C (fi) * 1989-06-30 1991-07-10 Firextra Oy Foerfarande foer kontinuerlig framstaellning av mikrokristallin kitosan.
PL189890B1 (pl) * 1999-09-14 2005-10-31 Kazmierski Jan Zaklad Prod Usl Preparat do ochrony roślin przed chorobami

Also Published As

Publication number Publication date
PL340132A1 (en) 2001-11-19
JP2004501235A (ja) 2004-01-15
WO2001087988A1 (en) 2001-11-22
AU2001263046A1 (en) 2001-11-26
EP1280829A1 (de) 2003-02-05

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued