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:
Jan. 25, 2022
Filed:
Feb. 14, 2018
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Lionel Belin, Clermont-Ferrand, FR;
Claire Dalliere, Clermont-Ferrand, FR;
Eve-Anne Filiol, Clermont-Ferrand, FR;
Eric Jordery, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
A rubber composition is based on at least an elastomeric matrix comprising at most 70 parts by weight, per hundred parts by weight of elastomer, phr, of a polyisoprene and at least 30 phr of a butadiene/styrene copolymer, the butadiene/styrene copolymer exhibiting a content of styrene units of between 20% and 40% by weight, with respect to the total weight of the butadiene/styrene copolymer, a content of trans-1,4-butadiene unit of greater than 65% by weight, with respect to the total weight of the butadiene units, a content of vinyl unit of less than 8% by weight, with respect to the total weight of the butadiene units, and a glass transition temperature of between −60° C. and −35° C.; from 35 to 75 phr of a carbon black exhibiting a BET specific surface of between 90 and 100 m/g and a COAN absorption index of between 90 and 100 ml/100 g; and a crosslinking system.