ATE198607T1 - Verfahren zur herstellung von polyhydroxycarbonsäure - Google Patents

Verfahren zur herstellung von polyhydroxycarbonsäure

Info

Publication number
ATE198607T1
ATE198607T1 AT96927207T AT96927207T ATE198607T1 AT E198607 T1 ATE198607 T1 AT E198607T1 AT 96927207 T AT96927207 T AT 96927207T AT 96927207 T AT96927207 T AT 96927207T AT E198607 T1 ATE198607 T1 AT E198607T1
Authority
AT
Austria
Prior art keywords
producing
polyhydroxycarbonic
acid
weight
acids
Prior art date
Application number
AT96927207T
Other languages
English (en)
Inventor
Norio Yanagisawa
Toshikazu Murayama
Nobuko Tsuzaki
Yorozu Yokomori
Original Assignee
Kyowa Hakko Kogyo Kk
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 Kyowa Hakko Kogyo Kk filed Critical Kyowa Hakko Kogyo Kk
Application granted granted Critical
Publication of ATE198607T1 publication Critical patent/ATE198607T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
AT96927207T 1995-08-29 1996-08-20 Verfahren zur herstellung von polyhydroxycarbonsäure ATE198607T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP22003095 1995-08-29
JP23432095 1995-09-12
PCT/JP1996/002326 WO1997008220A1 (fr) 1995-08-29 1996-08-20 Processus de production d'acide polyhydroxy carboxylique

Publications (1)

Publication Number Publication Date
ATE198607T1 true ATE198607T1 (de) 2001-01-15

Family

ID=26523479

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96927207T ATE198607T1 (de) 1995-08-29 1996-08-20 Verfahren zur herstellung von polyhydroxycarbonsäure

Country Status (5)

Country Link
EP (1) EP0789045B1 (de)
AT (1) ATE198607T1 (de)
AU (1) AU6710196A (de)
DE (1) DE69611513T2 (de)
WO (1) WO1997008220A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO327258B1 (no) * 1999-07-27 2009-05-25 Ishikawajima Harima Heavy Ind Polyesterharpiks for anvendelse i en grohemmende maling samt grohemmende maling omfattende polyesterharpiksen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE52535B1 (en) * 1981-02-16 1987-12-09 Ici Plc Continuous release pharmaceutical compositions
CA1256638A (en) * 1984-07-06 1989-06-27 Motoaki Tanaka Polymer and its production
JPH0678425B2 (ja) * 1984-07-06 1994-10-05 和光純薬工業株式会社 重合体の新規製造法
JPH0610252B2 (ja) * 1985-08-21 1994-02-09 和光純薬工業株式会社 重合体の製造法
JPH06306149A (ja) * 1993-04-22 1994-11-01 Mitsui Toatsu Chem Inc ポリヒドロキシカルボン酸の製造方法
US5440008A (en) * 1993-05-28 1995-08-08 Mitsui Toatsu Chemicals, Inc. Process for preparing polyhydroxycarboxylic acid

Also Published As

Publication number Publication date
AU6710196A (en) 1997-03-19
EP0789045A1 (de) 1997-08-13
DE69611513D1 (de) 2001-02-15
WO1997008220A1 (fr) 1997-03-06
EP0789045A4 (de) 1998-08-12
EP0789045B1 (de) 2001-01-10
DE69611513T2 (de) 2001-07-19

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties