ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,585, issued on Aug. 26, was assigned to THE GOODYEAR TIRE & RUBBER COMPANY (Akron, Ohio).
"Tread rubber composition with majority renewable content" was invented by Stacey Lynne Dean-Sioss (Broadview Heights, Ohio) and Alexis Anne Kruth (Cuyahoga Falls, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tire component formed from a rubber composition comprises a majority weight percent of renewable materials. The rubber composition comprises, based on 100 parts per weight (phr) of elastomer: a blend of at least two rubber elastomers selected from a group consisting of: from about 15 phr to about 50 phr polybutadiene; up to about 20 phr of styrene...