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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.:

US 12729289 B1

PDFFull Text
Date of Patent:
Sep. 08, 2026

Filed:

Jan. 19, 2022

Self-healing rubber comprising a poly(methacrylic) oligomer

Applicant:

Bridgestone Europe Nv/sa [be/be], Zaventem, BE;

Inventors:

Raffaele Di Ronza, Rome, IT;

Yoshihiro Morishita, Tokyo, JP;

Alan Wemyss, Coventry, GB;

Chaoying Wan, Coventry, GB;

Assignee:

Bridgestone Europe NV/SA, Zaventem, BE;

Attorney:

Patterson Intellectual Property Law, PC

Primary Examiner:

Doris L Lee

Int. Cl.
CPC ...
C08L 7/00 (2006.01); C08J 3/24 (2006.01); C08K 3/06 (2006.01); C08K 3/22 (2006.01); C08K 5/00 (2006.01); B29C 73/22 (2006.01); C08J 3/20 (2006.01);
U.S. Cl.
CPC ...
C08L 7/00 (2013.01); C08J 3/246 (2013.01); C08K 3/06 (2013.01); C08K 3/22 (2013.01); C08K 5/0025 (2013.01); B29C 73/22 (2013.01); C08J 3/203 (2013.01); C08J 2307/00 (2013.01); C08J 2433/12 (2013.01); C08K 2003/2296 (2013.01); C08L 2205/08 (2013.01);
Abstract

The present invention relates to a rubber composition comprising a poly(methacrylic acid) oligomer, a process for preparing the rubber composition, a cured rubber composition, and a self-healing tire prepared by using the rubber composition. The invention further relates to an amphiphilic block copolymer, and a process for its preparation. The amphiphilic block copolymer can be used as compatibilizer in the preparation of the rubber composition.

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Di Ronza, Raffaele. (2026). Self-healing rubber comprising a poly(methacrylic) oligomer (U.S. Patent No. 12729289). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12729289

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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