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:
Jul. 07, 2015
Filed:
Nov. 07, 2013
Sumitomo Rubber Industries, Ltd., Kobe-shi, JP;
Masanobu Nakamura, Kobe, JP;
Tatsuya Miyazaki, Kobe, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-shi, JP;
Abstract
The present invention provides a rubber composition capable of improving the rubber strength and fuel economy in a balanced manner, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition including a rubber component, carbon black, and a compound represented by formula (I) below, wherein the amount of the carbon black is 10 to 100 parts by mass per 100 parts by mass of the rubber component: wherein Rand Rare the same as or different from each other, and each represent a hydrogen atom, a C1-C20 alkyl group, a C1-C20 alkenyl group, or a C1-C20 alkynyl group; Mrepresents a metal ion; and r represents a valence of the metal ion.