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:
May. 22, 2012
Filed:
Sep. 23, 2010
Kazuo Hochi, Kobe, JP;
Kazuo Hochi, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Abstract
The present invention provides: a rubber composition for a tire having favorable productivity, excellent heat aging resistance and abrasion resistance, and excellent fuel economy; and a pneumatic tire using the rubber composition. The rubber composition contains neither soluble sulfur nor insoluble sulfur, and contains diene rubber, 1-15 parts by mass of compound 1 represented by formula (1) and 0.1-5 parts by mass of compound 2 represented by formula (2), per 100 parts by mass of the diene rubber, and the amount ratio of compound 1 to compound 2 (compound 1/compound 2) is 1-8. wherein R-Rare the same or different, and represent Calkyl, Caryl, or Caralkyl, and n represents an integer of 1-12; wherein R-Rare the same or different, and represent Calkyl, x and y are the same or different, and represent an integer of 2-4, and m represents an integer of 0-10.