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:
Nov. 20, 2012
Filed:
Dec. 06, 2007
Jean-denis Hidrot, Chamalleres, FR;
Jean-Denis Hidrot, Chamalleres, FR;
Michelin Recherche et Technique S.A., Granges-Paccot, CH;
Abstract
The invention relates to a tyre tread having a tyre tread rubber composition based on at least one diene elastomer, one reinforcing filler and one vulcanization system, characterized in that the composition comprises a guar gum powder in a proportion of 10 to 40 pce. The invention also relates to a process for obtaining a rubber composition for a tread based on at least one diene elastomer, one reinforcing filler and one vulcanization system which comprises a first phase of thermomechanical kneading of the constituents of the composition, with the exception of the vulcanization system, characterized in that the composition comprises a guar gum powder in a proportion of 10 to 40 pce and in that the guar gum powder is incorporated during the first kneading phase.