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:
Sep. 25, 2018
Filed:
Dec. 19, 2014
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Michelin Recherche ET Technique S.a., Granges-Paccot, CH;
Christophe Chouvel, Clermont-Ferrand, FR;
José-Carlos Araujo Da Silva, Clermont-Ferrand, FR;
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Abstract
A tire tread comprises a composition based on at least an elastomer matrix comprising a polyisoprene and an unsaturated thermoplastic styrene elastomer which represents at most 50% by weight of the elastomer matrix, a reinforcing filler and a crosslinking system. The unsaturated thermoplastic styrene elastomer comprises at least one rigid styrene segment and at least one flexible isoprene segment, which at least one flexible isoprene segment has a glass transition temperature of less than −20° C. Such a tread exhibits an improved resistance to crack propagation.