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. 29, 2024
Filed:
Nov. 07, 2019
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Benoît De-Gaudemaris, Clermont-Ferrand, FR;
Julien Chatard, Clermont-Ferrand, FR;
Charlotte Dire, Clermont-Ferrand, FR;
Kevin Roos, Clermont-Ferrand, FR;
Benoît Gadenne, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
A rubber composition based at least on a reinforcing filler comprising a content of silica of greater than or equal to 80 phr, preferably of greater than or equal to 100 phr, and on an elastomer matrix comprising a content of a modified diene elastomer of greater than or equal to 75 phr is provided. The modified diene elastomer comprises macromolecules comprising, within their structure, an n-functional branching unit, n having a value of at least 1 and of at most 9, preferably of at most 6, consisting of a group comprising at least two silicon atoms which are substituted by elastomer branches and connected together via a group comprising at least one nitrogen atom, the bonds between silicon and nitrogen atoms being produced via a spacer group.