FR2029042A1 - - Google Patents

Info

Publication number
FR2029042A1
FR2029042A1 FR7002296A FR7002296A FR2029042A1 FR 2029042 A1 FR2029042 A1 FR 2029042A1 FR 7002296 A FR7002296 A FR 7002296A FR 7002296 A FR7002296 A FR 7002296A FR 2029042 A1 FR2029042 A1 FR 2029042A1
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.)
Withdrawn
Application number
FR7002296A
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of FR2029042A1 publication Critical patent/FR2029042A1/fr
Withdrawn legal-status Critical Current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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
FR7002296A 1969-01-24 1970-01-22 Withdrawn FR2029042A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6901177A NL6901177A (fr) 1969-01-24 1969-01-24

Publications (1)

Publication Number Publication Date
FR2029042A1 true FR2029042A1 (fr) 1970-10-16

Family

ID=19805958

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7002296A Withdrawn FR2029042A1 (fr) 1969-01-24 1970-01-22

Country Status (6)

Country Link
BE (1) BE744807A (fr)
CH (1) CH530431A (fr)
DE (1) DE2002846A1 (fr)
FR (1) FR2029042A1 (fr)
GB (1) GB1249793A (fr)
NL (1) NL6901177A (fr)

Also Published As

Publication number Publication date
GB1249793A (en) 1971-10-13
BE744807A (fr) 1970-07-22
CH530431A (de) 1972-11-15
NL6901177A (fr) 1970-07-28
DE2002846A1 (de) 1970-10-01

Similar Documents

Publication Publication Date Title
AU465452B2 (fr)
AU429630B2 (fr)
AU450150B2 (fr)
CS150297B2 (fr)
AU2355770A (fr)
AU442375B2 (fr)
AU427401B2 (fr)
AU470301B1 (fr)
CS148431B1 (fr)
AU442463B2 (fr)
AU428074B2 (fr)
AU428129B2 (fr)
AU428131B2 (fr)
AU425297B2 (fr)
AU438128B2 (fr)
AT308690B (fr)
AU442285B2 (fr)
AU442322B2 (fr)
AU442357B2 (fr)
AU417208B2 (fr)
AU442380B2 (fr)
AU470661B1 (fr)
AU410358B2 (fr)
AU442535B2 (fr)
AU442538B2 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse