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:
Apr. 25, 2023
Filed:
Jul. 11, 2018
Centre National DE LA Recherche Scientifique, Paris, FR;
Universite D'artois, Arras, FR;
Université DE Lille, Lille, FR;
Ecole Centrale DE Lille;
Ecole Nationale Superieure DE Chimie DE Lille, Villeneuve d'Ascq, FR;
Marc Visseaux, Villeneuve d'Ascq, FR;
Philippe Zinck, Villeneuve d'Ascq, FR;
Sébastien Georges, Villeneuve d'Ascq, FR;
Yohan Champouret, Villeneuve d'Ascq, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Paris, FR;
UNIVERSITE D'ARTOIS, Arras, FR;
UNIVERSITÉ DE LILLE, Lille, FR;
ECOLE CENTRALE DE LILLE, Villeneuve d'Ascq, FR;
ECOLE NATIONALE SUPERIEURE DE CHIMIE DE LILLE, Villeneuve d'Ascq, FR;
Abstract
Disclosed is a functionalizing method for the end functionalisation of trans-1,4 stereo-regular polydiene chains obtained by the coordination catalytic polymerisation of at least one conjugated diene monomer. It also relates to a polydiene having a trans-1,4 chain formation rate of at least 85%, preferably at least 90%, and an end functionalisation rate higher than 70%, preferably higher than 80%, and more preferably higher than 90%.