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:
Aug. 30, 2022
Filed:
Dec. 19, 2017
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Damien Thomasson, Clermont-Ferrand, FR;
Olivia Cuscito, Clermont-Ferrand, FR;
COMPAGNIE GENERALES DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
A rubber composition is based on at least an elastomer, a reinforcing filler, a crosslinking system and a crumb rubber, the said crumb exhibiting: an acetone extract of between 8% and 50% by weight; a chloroform extract such that the ratio of the chloroform extract to the acetone extract, expressed as percentage by weight, is less than 1.5, the chloroform extract exhibiting a weight-average molecular weight (Mw) of less than 10000 g/mol; and a content of plasticizer of greater than 8% by weight in the composition of the crumb.