FR1445860A - Process for preparing polyesters in the presence of new catalysts - Google Patents

Process for preparing polyesters in the presence of new catalysts

Info

Publication number
FR1445860A
FR1445860A FR27923A FR27923A FR1445860A FR 1445860 A FR1445860 A FR 1445860A FR 27923 A FR27923 A FR 27923A FR 27923 A FR27923 A FR 27923A FR 1445860 A FR1445860 A FR 1445860A
Authority
FR
France
Prior art keywords
new catalysts
preparing polyesters
polyesters
preparing
catalysts
Prior art date
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
FR27923A
Other languages
French (fr)
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 US388676A external-priority patent/US3329651A/en
Application filed by Monsanto Co filed Critical Monsanto Co
Priority to FR27923A priority Critical patent/FR1445860A/en
Application granted granted Critical
Publication of FR1445860A publication Critical patent/FR1445860A/en
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
    • C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
    • C08G63/86—Germanium, antimony, or compounds thereof
    • C08G63/866—Antimony or compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
FR27923A 1964-08-10 1965-08-10 Process for preparing polyesters in the presence of new catalysts Expired FR1445860A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR27923A FR1445860A (en) 1964-08-10 1965-08-10 Process for preparing polyesters in the presence of new catalysts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US388676A US3329651A (en) 1964-08-10 1964-08-10 Phenylene antimonate iii polyester catalysts
FR27923A FR1445860A (en) 1964-08-10 1965-08-10 Process for preparing polyesters in the presence of new catalysts

Publications (1)

Publication Number Publication Date
FR1445860A true FR1445860A (en) 1966-07-15

Family

ID=26165374

Family Applications (1)

Application Number Title Priority Date Filing Date
FR27923A Expired FR1445860A (en) 1964-08-10 1965-08-10 Process for preparing polyesters in the presence of new catalysts

Country Status (1)

Country Link
FR (1) FR1445860A (en)

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