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. 04, 2014
Filed:
Sep. 14, 2012
Applicants:
Isamu Tsumori, Kobe, JP;
Naoya Ichikawa, Kobe, JP;
Inventors:
Isamu Tsumori, Kobe, JP;
Naoya Ichikawa, Kobe, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C 1/00 (2006.01); C08L 7/00 (2006.01); C08C 1/04 (2006.01); C08K 3/36 (2006.01); C08L 7/02 (2006.01); C08K 3/04 (2006.01); C08C 3/02 (2006.01);
U.S. Cl.
CPC ...
C08L 7/02 (2013.01); C08C 1/04 (2013.01); C08K 3/36 (2013.01); C08K 3/04 (2013.01); Y02T 10/862 (2013.01); C08C 3/02 (2013.01);
Abstract
The present invention provides a rubber composition for a clinch apex which improves in fuel economy, flex crack growth resistance, and processability in a balanced manner, and also provides a pneumatic tire produced using the rubber composition. The present invention relates to a rubber composition for a clinch apex, including: a modified natural rubber having a phosphorus content of 200 ppm or less; and at least one of carbon black and a white filler.