ATE150665T1 - Verwendung einer transacylierungsreaktion, zwischen einem veresterten polysaccharid und einem polyamin, um im wässerigem medium wenigstens an der oberflaeche aus gelierten partikeln eine membran zu formen,so hergestellte partikel,diese enthaltende zusammensetzungen und verfahren - Google Patents

Verwendung einer transacylierungsreaktion, zwischen einem veresterten polysaccharid und einem polyamin, um im wässerigem medium wenigstens an der oberflaeche aus gelierten partikeln eine membran zu formen,so hergestellte partikel,diese enthaltende zusammensetzungen und verfahren

Info

Publication number
ATE150665T1
ATE150665T1 AT94913638T AT94913638T ATE150665T1 AT E150665 T1 ATE150665 T1 AT E150665T1 AT 94913638 T AT94913638 T AT 94913638T AT 94913638 T AT94913638 T AT 94913638T AT E150665 T1 ATE150665 T1 AT E150665T1
Authority
AT
Austria
Prior art keywords
particles
polyamine
pct
esterified polysaccharide
polysaccharide
Prior art date
Application number
AT94913638T
Other languages
English (en)
Inventor
Marie-Christine Levy
Florence Edwards-Levy
Isabelle Orly
Original Assignee
Coletica
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 Coletica filed Critical Coletica
Application granted granted Critical
Publication of ATE150665T1 publication Critical patent/ATE150665T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/14—Polymerisation; cross-linking
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
    • C12N11/04—Enzymes or microbial cells immobilised on or in an organic carrier entrapped within the carrier, e.g. gel or hollow fibres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Genetics & Genomics (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Cosmetics (AREA)
AT94913638T 1993-04-13 1994-04-13 Verwendung einer transacylierungsreaktion, zwischen einem veresterten polysaccharid und einem polyamin, um im wässerigem medium wenigstens an der oberflaeche aus gelierten partikeln eine membran zu formen,so hergestellte partikel,diese enthaltende zusammensetzungen und verfahren ATE150665T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9304332A FR2703927B1 (fr) 1993-04-13 1993-04-13 Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une polyamine pour former en milieu aqueux une membrane au moins en surface de particules gélifiées.

Publications (1)

Publication Number Publication Date
ATE150665T1 true ATE150665T1 (de) 1997-04-15

Family

ID=9446012

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94913638T ATE150665T1 (de) 1993-04-13 1994-04-13 Verwendung einer transacylierungsreaktion, zwischen einem veresterten polysaccharid und einem polyamin, um im wässerigem medium wenigstens an der oberflaeche aus gelierten partikeln eine membran zu formen,so hergestellte partikel,diese enthaltende zusammensetzungen und verfahren

Country Status (8)

Country Link
US (1) US5635609A (de)
EP (1) EP0693963B1 (de)
JP (1) JP3524096B2 (de)
AT (1) ATE150665T1 (de)
DE (1) DE69402310T2 (de)
ES (1) ES2102855T3 (de)
FR (1) FR2703927B1 (de)
WO (1) WO1994023832A1 (de)

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Also Published As

Publication number Publication date
FR2703927A1 (fr) 1994-10-21
FR2703927B1 (fr) 1995-07-13
US5635609A (en) 1997-06-03
DE69402310D1 (de) 1997-04-30
EP0693963A1 (de) 1996-01-31
WO1994023832A1 (fr) 1994-10-27
EP0693963B1 (de) 1997-03-26
DE69402310T2 (de) 1997-09-25
ES2102855T3 (es) 1997-08-01
JP3524096B2 (ja) 2004-04-26
JPH08508933A (ja) 1996-09-24

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