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:
Jun. 03, 2025
Filed:
Dec. 30, 2020
Applicant:
Bridgestone Corporation, Tokyo, JP;
Inventors:
Erin Sheepwash, Cuyahoga Falls, OH (US);
Rita E. Cook, Akron, OH (US);
Assignee:
Bridgestone Corporation, Chuo-ku, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/24 (2006.01); B60C 1/00 (2006.01); C08K 3/36 (2006.01);
U.S. Cl.
CPC ...
C08J 3/243 (2013.01); B60C 1/0016 (2013.01); C08K 3/36 (2013.01); C08J 2309/06 (2013.01);
Abstract
A vulcanizate prepared by a method comprising introducing an elastomer, a filler, and a polar polysulfide crosslinking agent to form a masterbatch and introducing a curative to the masterbatch to form a vulcanizable composition. Vulcanizing the composition to graft the polar group from the crosslinking agent onto an elastomer to increase the hydrophilicity of the composition.