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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.:

US 11492465 B1

PDFFull Text
Date of Patent:
Nov. 08, 2022

Filed:

Apr. 13, 2018

Rubber composition comprising a specific hydrocarbon resin

Applicant:

Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;

Inventors:

Benoit De Gaudemaris, Clermont-Ferrand, FR;

Justin Belz, Clermont-Ferrand, FR;

Assignee:

COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;

Attorney:

Venable LLP

Primary Examiner:

Angela C Scott

Int. Cl.
CPC ...
C08L 9/06 (2006.01); B60C 1/00 (2006.01); C08F 136/06 (2006.01); C08F 279/02 (2006.01); C08K 3/04 (2006.01); C08K 3/36 (2006.01); C08L 45/00 (2006.01); C08K 5/548 (2006.01); C08K 3/06 (2006.01); C08K 5/31 (2006.01); C08K 5/18 (2006.01); C08K 5/09 (2006.01); C08K 3/22 (2006.01); C08K 5/47 (2006.01); C08L 47/00 (2006.01); C08L 9/00 (2006.01);
U.S. Cl.
CPC ...
C08L 9/06 (2013.01); B60C 1/00 (2013.01); B60C 1/0016 (2013.01); C08F 136/06 (2013.01); C08F 279/02 (2013.01); C08K 3/04 (2013.01); C08K 3/06 (2013.01); C08K 3/22 (2013.01); C08K 3/36 (2013.01); C08K 5/09 (2013.01); C08K 5/18 (2013.01); C08K 5/31 (2013.01); C08K 5/47 (2013.01); C08K 5/548 (2013.01); C08L 9/00 (2013.01); C08L 45/00 (2013.01); C08L 47/00 (2013.01); C08L 2205/03 (2013.01); C08L 2312/00 (2013.01);
Abstract

A rubber composition is based on at least: from 60 to 100 phr of one or more diene elastomers, referred to as very low glass transition temperature (Tg) diene elastomers, exhibiting a Tg within a range extending from −110° C. to −70° C., chosen from butadiene homopolymers, copolymers of butadiene and of vinylaromatic monomer, exhibiting a content of vinylaromatic unit of between 0% and 5% by weight, and the mixtures of these; a reinforcing filler; crosslinking system; and from 50 to 150 phr of at least one hydrocarbon resin predominantly composed of units resulting from α-pinene monomers, the resin exhibiting an aliphatic proton content of greater than 95%.

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