FR1571741A - - Google Patents

Info

Publication number
FR1571741A
FR1571741A FR1571741DA FR1571741A FR 1571741 A FR1571741 A FR 1571741A FR 1571741D A FR1571741D A FR 1571741DA FR 1571741 A FR1571741 A FR 1571741A
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
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 filed Critical
Application granted granted Critical
Publication of FR1571741A publication Critical patent/FR1571741A/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
    • C08G63/826—Metals not provided for in groups C08G63/83 - C08G63/86
    • 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
    • C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, 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)
FR1571741D 1967-06-26 1968-06-25 Expired FR1571741A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64895867A 1967-06-26 1967-06-26

Publications (1)

Publication Number Publication Date
FR1571741A true FR1571741A (fr) 1969-06-20

Family

ID=24602909

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1571741D Expired FR1571741A (fr) 1967-06-26 1968-06-25

Country Status (5)

Country Link
US (1) US3509099A (fr)
DE (1) DE1770496A1 (fr)
ES (1) ES354699A1 (fr)
FR (1) FR1571741A (fr)
GB (1) GB1199852A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3844976A (en) * 1969-06-16 1974-10-29 M & T Chemicals Inc Novel catalyst system
US3884854A (en) * 1969-06-16 1975-05-20 M & T Chemicals Inc Process for preparing polyethylene terephthalate of improved color

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH351754A (de) * 1955-06-24 1961-01-31 Hoechst Ag Verfahren zur Herstellung hochmolekularer linearer Polyester
US3068205A (en) * 1958-10-27 1962-12-11 Eastman Kodak Co Synergistic catalyst composition containing a group ii metal salt and an arsenic compound for preparing condensation-type polyesters
NL266997A (fr) * 1961-07-06
GB1011564A (en) * 1961-09-02 1965-12-01 Hoechst Ag Process for the manufacture of linear polyesters

Also Published As

Publication number Publication date
US3509099A (en) 1970-04-28
ES354699A1 (es) 1970-02-16
GB1199852A (en) 1970-07-22
DE1770496A1 (de) 1971-10-28

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Legal Events

Date Code Title Description
ST Notification of lapse