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:
Oct. 26, 2021
Filed:
Dec. 21, 2017
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Severin Dronet, Clermont-Ferrand, FR;
Gilles Mioche, Clermont-Ferrand, FR;
Lise Maisonneuve, Clermont-Ferrand, FR;
Nathalie Coste, Clermont-Ferrand, FR;
Julien Cayuela, Saint-Saulve, FR;
Leila Bonnaud, Valenciennes, FR;
Philippe Ghislain Dubois, Ciplet, BE;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
The present invention relates to a process for preparing a diene elastomer/polylactide copolymer, the weight percentage of polylactide being between 10% and 45% by weight, relative to the weight of the copolymer, characterized in that lactide, an elastomer functionalized by at least one group bearing at least one function capable of initiating a ring-opening polymerization of the lactide and a catalytic system are introduced into an extruder (A).