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:
Dec. 09, 2025
Filed:
Dec. 06, 2022
Applicant:
Toyo Tire Corporation, Itami, JP;
Inventor:
Shouhei Morimoto, Itami, JP;
Assignee:
Toyo Tire Corporation, Itami, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/42 (2006.01); C08L 9/06 (2006.01);
U.S. Cl.
CPC ...
C08K 5/42 (2013.01); C08L 9/06 (2013.01);
Abstract
The present invention relates to a devulcanized rubber obtained by mixing a devulcanizing agent having an alkylsulfonamide group and a vulcanized rubber. The devulcanizing agent preferably contains a sulfonamide compound of an alkylamine having 12 or more carbon atoms. The present invention also relates to a rubber composition comprising the devulcanized rubber. The rubber composition preferably contains 1 to 30 parts by mass of the devulcanized rubber per 100 parts by mass of a total amount of an unvulcanized rubber component in the rubber composition.