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:
Oct. 21, 2025
Filed:
Sep. 12, 2022
Applicant:
Korea Kumho Petrochemical Co., Ltd., Seoul, KR;
Inventors:
Assignee:
KOREA KUMHO PETROCHEMICAL CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 9/06 (2006.01); B60C 1/00 (2006.01);
U.S. Cl.
CPC ...
C08L 9/06 (2013.01); B60C 1/0016 (2013.01); C08L 2205/03 (2013.01);
Abstract
An embodiment of the present specification provides a rubber composition for a tire tread, comprising: a rubber polymer; a petroleum resin; and a functionalized processing aid, wherein the functionalized processing aid is a bond of a silane-based compound and a cardanol-derived structure, represented by the following formula 1:(R)Si—R—Z-(E) [Formula