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:
Apr. 23, 2013
Filed:
Jun. 15, 2009
Applicants:
Takayuki Hattori, Kobe, JP;
Ryoji Kojima, Kobe, JP;
Naohiko Kikuchi, Kobe, JP;
Yasuhisa Minagawa, Kobe, JP;
Inventors:
Takayuki Hattori, Kobe, JP;
Ryoji Kojima, Kobe, JP;
Naohiko Kikuchi, Kobe, JP;
Yasuhisa Minagawa, Kobe, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/09 (2006.01); C08J 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention has its object to provide a high performance studless tire, which has both good braking force and high handling stability on ice or snow, at higher productivity and at a lower price for customers. The studless tire comprises a tread made of a rubber composition containing 2.2 to 10 parts by mass of a fatty acid and/or a derivative of the fatty acid per 100 parts by mass of a rubber component, the tread having a JIS-A hardness of 50 or less.