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:
Jun. 22, 2021
Filed:
Dec. 26, 2017
Applicant:
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Inventors:
Hirokazu Kageyama, Hiratsuka, JP;
Kazushi Kimura, Hiratsuka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/3462 (2006.01); B60C 1/00 (2006.01); C08K 3/36 (2006.01); C08K 5/357 (2006.01); C08L 9/06 (2006.01);
U.S. Cl.
CPC ...
C08K 5/3462 (2013.01); B60C 1/00 (2013.01); B60C 1/0016 (2013.01); B60C 1/0025 (2013.01); C08K 3/36 (2013.01); C08K 5/357 (2013.01); C08L 9/06 (2013.01); B60C 2001/0058 (2013.01); C08L 2205/02 (2013.01);
Abstract
A rubber composition of the present technology includes: a diene rubber; silica; and a heterocyclic compound (the heterocyclic compound does not have a silicon atom) which includes a hydrocarbon group having from 3 to 30 carbons and at least one type of heterocycle selected from the group consisting of a piperazine ring, a morpholine ring and a thiomorpholine ring, and a content of the silica being from 50 to 200 parts by mass per 100 parts by mass of the diene rubber and a content of the heterocyclic compound being from 0.5 to 20% by mass with respect to the content of the silica.