US Patent Issued to THE GOODYEAR TIRE & RUBBER on Sept. 15 for "Sealant composition for self-sealing pneumatic tire" (Ohio Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,772, issued on Sept. 15, was assigned to THE GOODYEAR TIRE & RUBBER COMPANY (Akron, Ohio).

"Sealant composition for self-sealing pneumatic tire" was invented by Michael Lawrence Gersman (Cleveland) and George Jim Papakonstantopoulos (Medina, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sealant composition suited to forming a sealant layer in a tire includes 100 phr elastomers, including at least 60 phr of an isobutylene-based elastomer component, and at least 5 phr of a conjugated diene-based elastomer component. The sealant composition further includes at least 5 phr of particulate filler, at least 0.5 phr of an organic peroxide, and opti...