FR2080781B1 - - Google Patents

Info

Publication number
FR2080781B1
FR2080781B1 FR7106439A FR7106439A FR2080781B1 FR 2080781 B1 FR2080781 B1 FR 2080781B1 FR 7106439 A FR7106439 A FR 7106439A FR 7106439 A FR7106439 A FR 7106439A FR 2080781 B1 FR2080781 B1 FR 2080781B1
Authority
FR
France
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.)
Expired
Application number
FR7106439A
Other languages
French (fr)
Other versions
FR2080781A1 (zh
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.)
Bayer Pharma AG
Original Assignee
Schering AG
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
Priority claimed from DE19702009885 external-priority patent/DE2009885C3/de
Priority claimed from DE19702054903 external-priority patent/DE2054903A1/de
Application filed by Schering AG filed Critical Schering AG
Publication of FR2080781A1 publication Critical patent/FR2080781A1/fr
Application granted granted Critical
Publication of FR2080781B1 publication Critical patent/FR2080781B1/fr
Expired legal-status Critical Current

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
    • C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides

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)
FR7106439A 1970-02-26 1971-02-25 Expired FR2080781B1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702009885 DE2009885C3 (de) 1970-02-26 1970-02-26 Verfahren zur Herstellung von Polyestern durch Polymerisation von e-Caprolactonen
DE19702054903 DE2054903A1 (en) 1970-11-07 1970-11-07 Polyesters by polymerisation of lactones

Publications (2)

Publication Number Publication Date
FR2080781A1 FR2080781A1 (zh) 1971-11-19
FR2080781B1 true FR2080781B1 (zh) 1974-08-19

Family

ID=25758747

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7106439A Expired FR2080781B1 (zh) 1970-02-26 1971-02-25

Country Status (3)

Country Link
FR (1) FR2080781B1 (zh)
GB (1) GB1351207A (zh)
NL (1) NL7102549A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201317113D0 (en) 2013-09-26 2013-11-06 Croda Int Plc A co-polymer polyol

Also Published As

Publication number Publication date
NL7102549A (zh) 1971-08-30
FR2080781A1 (zh) 1971-11-19
GB1351207A (en) 1974-04-24

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Legal Events

Date Code Title Description
ST Notification of lapse