NO972172D0 - Kitosanpolymer med en spesifikk acetyleringsgrad - Google Patents

Kitosanpolymer med en spesifikk acetyleringsgrad

Info

Publication number
NO972172D0
NO972172D0 NO972172A NO972172A NO972172D0 NO 972172 D0 NO972172 D0 NO 972172D0 NO 972172 A NO972172 A NO 972172A NO 972172 A NO972172 A NO 972172A NO 972172 D0 NO972172 D0 NO 972172D0
Authority
NO
Norway
Prior art keywords
acetylation
specific degree
chitosan polymer
chitosan
polymer
Prior art date
Application number
NO972172A
Other languages
English (en)
Norwegian (no)
Other versions
NO972172L (no
Inventor
Per Artursson
Nicolaas Schipper
Original Assignee
Astra Ab
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 Astra Ab filed Critical Astra Ab
Publication of NO972172L publication Critical patent/NO972172L/no
Publication of NO972172D0 publication Critical patent/NO972172D0/no

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
    • 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

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Nutrition Science (AREA)
  • Physiology (AREA)
  • Molecular Biology (AREA)
  • Inorganic Chemistry (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
NO972172A 1994-11-14 1997-05-12 Kitosanpolymer med en spesifikk acetyleringsgrad NO972172D0 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9403905A SE9403905D0 (sv) 1994-11-14 1994-11-14 New formulations
PCT/SE1995/001342 WO1996020730A1 (en) 1994-11-14 1995-11-13 A chitosan polymer having a specific degree of acetylation

Publications (2)

Publication Number Publication Date
NO972172L NO972172L (no) 1997-05-12
NO972172D0 true NO972172D0 (no) 1997-05-12

Family

ID=20395954

Family Applications (1)

Application Number Title Priority Date Filing Date
NO972172A NO972172D0 (no) 1994-11-14 1997-05-12 Kitosanpolymer med en spesifikk acetyleringsgrad

Country Status (9)

Country Link
EP (1) EP0792330A1 (ja)
JP (1) JPH10509207A (ja)
AU (1) AU710769B2 (ja)
CA (1) CA2203632A1 (ja)
FI (1) FI972056A (ja)
IS (1) IS4469A (ja)
NO (1) NO972172D0 (ja)
SE (1) SE9403905D0 (ja)
WO (1) WO1996020730A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020018732A1 (en) * 2000-04-21 2002-02-14 Hung William M. Preserving compositions containing chitosan and processes for making water soluble O-acetylated chitosan and chitosan
US6716970B2 (en) 2000-04-21 2004-04-06 Adjuvant Pharmaceuticals, Llc Water soluble, randomly substituted partial N-partial O-acetylated chitosan, preserving compositions containing chitosan, and processes for making thereof
GB0315632D0 (en) 2003-07-04 2003-08-13 West Pharm Serv Drug Res Ltd Pharmaceutical formulations
US7125967B2 (en) 2003-10-08 2006-10-24 Adjuvant Pharmaceuticals, Llc Water-soluble chitosan having low endotoxin concentration and methods for making and using the same
WO2007002345A2 (en) * 2005-06-21 2007-01-04 Bausch & Lomb Incorporated Method for improving water solubility of chitosan
FR3016882A1 (fr) 2014-01-30 2015-07-31 Sofradim Production Procede de preparation de chitosane a haut degre d’acetylation
EP3034612A1 (en) * 2014-12-16 2016-06-22 Greenaltech, S.L. Chitin and chitosan producing methods
EP3372234B1 (en) * 2015-11-04 2021-09-29 Stelic Institute & Co., Inc. Complex comprising rnai molecule and n-acetylated chitosan
WO2024054707A2 (en) 2022-09-08 2024-03-14 Luna Labs Usa, Llc Layer-by-layer delivery of active agents

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4873092A (en) * 1987-05-21 1989-10-10 Murata Kikai Kabushiki Kaisha Slow-releasing preparation
GB8904370D0 (en) * 1989-02-25 1989-04-12 Cosmas Damian Ltd Liquid delivery compositions
HRP950149A2 (en) * 1994-04-13 1997-06-30 Janssen Pharmaceutica Nv Intranasal antimigrene composition

Also Published As

Publication number Publication date
EP0792330A1 (en) 1997-09-03
NO972172L (no) 1997-05-12
JPH10509207A (ja) 1998-09-08
FI972056A0 (fi) 1997-05-14
CA2203632A1 (en) 1996-07-11
IS4469A (is) 1997-04-22
AU710769B2 (en) 1999-09-30
SE9403905D0 (sv) 1994-11-14
AU3943395A (en) 1996-07-24
FI972056A (fi) 1997-05-14
WO1996020730A1 (en) 1996-07-11

Similar Documents

Publication Publication Date Title
NO961681D0 (no) Vaso-okklusive innretninger med varmefestede polymerfibre
DE69530553D1 (de) Medizinisches polymergel
DE69521899D1 (de) Polymerisationsverfahren
PT871619E (pt) Derivados de fenil-tiazol com propriedades anti-virus do herpesc
DK0791016T3 (da) Polymersyntese
BR9510288A (pt) Catalisadores de polimerização de azametaloceno
FI962997A0 (fi) Biohajoavia kopolymeerejä ja muovituotteita, jotka käsittävät biohajoavia kopolymeerejä
DE69605957D1 (de) Antibakterielles Polymer
FI945995A0 (fi) Akryyliamidipolymeerit ja niiden käyttö
DE69519389D1 (de) Cholesterisches polymernetzwerk
BR9503199A (pt) Aspersor com modo de aspersao variável
NO931704D0 (no) Klebende polymer
DE69607027D1 (de) Polymermassen
FI931930A0 (fi) Vattendispersion av polymer
NO972172L (no) Kitosanpolymer med en spesifikk acetyleringsgrad
DE69414349D1 (de) Elastomer polybuten polymer
FI972525A0 (fi) Sovitusta parantavalla järjestelmällä varustettu imukykyinen tuote
BR9502880A (pt) Massas moldáveis de polietileno
BR9407997A (pt) Polímero radial assimétrico
FI940625A0 (fi) Elledande polymer och foerfarande foer framstaellning av detsamma
DE69501988D1 (de) Amidmonomer und dessen Polymer
FI932578A0 (fi) Foerfarande foer framstaellning av elledande polymer
FI925011A (fi) Katjonaktiva polymerer
DE69530358D1 (de) Reaktive Extrusion von Polymergelen
IT1273538B (it) Bisfenil-hals-fosfiti monomeri ed oligomeri come stabilizzanti

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application