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.

Date of Patent:
Sep. 23, 2025

Filed:

Feb. 12, 2020
Applicant:

Sumitomo Rubber Industries, Ltd., Hyogo, JP;

Inventor:

Tetsuya Kunisawa, Kobe, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 1/00 (2006.01); B60C 11/00 (2006.01); B60C 11/03 (2006.01); B60C 11/13 (2006.01); C08K 3/36 (2006.01); C08L 9/06 (2006.01); C08L 21/00 (2006.01);
U.S. Cl.
CPC ...
B60C 1/0016 (2013.01); B60C 11/00 (2013.01); B60C 11/13 (2013.01); C08K 3/36 (2013.01); C08L 9/06 (2013.01); C08L 21/00 (2013.01); B60C 2011/0353 (2013.01); B60C 2011/0355 (2013.01); B60C 2200/04 (2013.01); C08K 2201/006 (2013.01); Y02T 10/86 (2013.01);
Abstract

The present invention aims to provide tires which provide improved overall performance in terms of fuel economy, life performance, wet grip performance, and handling stability. The present invention relates to a tire including a tread, the tread containing a rubber component, a silica having a nitrogen adsorption specific surface area of 200 m/g or more, and a softener, the tread satisfying the following relationship (A):0.25≤total silica content(parts by mass)/(total softener content(parts by mass)×main groove depth(mm))≤0.60.


Find Patent Forward Citations

Loading…