US 12,492,297 B2
Devulcanized rubber, rubber composition, and pneumatic tire
Shouhei Morimoto, Itami (JP)
Assigned to Toyo Tire Corporation, Itami (JP)
Filed by Toyo Tire Corporation, Itami (JP)
Filed on Dec. 6, 2022, as Appl. No. 18/075,540.
Claims priority of application No. 2021-207833 (JP), filed on Dec. 22, 2021.
Prior Publication US 2023/0192990 A1, Jun. 22, 2023
Int. Cl. C08K 5/42 (2006.01); C08L 9/06 (2006.01)
CPC C08K 5/42 (2013.01) [C08L 9/06 (2013.01)] 5 Claims
 
1. A devulcanized rubber obtained by mixing a devulcanizing agent having an alkylsulfonamide group and a vulcanized rubber,
wherein the devulcanizing agent contains a sulfonamide compound of an alkylamine having 12 or more carbon atoms.