The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 05, 1991
Filed:
Dec. 07, 1989
Applicant:
Inventors:
Jacques Garapon, Lyons, FR;
Remi Touet, Saint Egreve, FR;
Catherine Huet, Chalon Sur Saone, FR;
Bernard Damin, Oullins, FR;
Assignees:
Institut Francais du Petrole, Rueil-Malmaison, FR;
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des, , US;
Elf France, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528366 ; 528365 ;
Abstract
The invention relates to a process for condensing at least one epoxide on at least one cyclic anhydride of a dicarboxylic acid in the presence of a catalyst consisting of at least one titanium peroxidic complex of the peroxo type of the A form ##STR1## Said process allows to obtain a perfectly alternate polyester.