US Patent Issued to Bridgestone Americas Tire Operations on March 18 for "Tire tread rubber composition" (Ohio Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,965, issued on March 18, was assigned to Bridgestone Americas Tire Operations LLC (Nashville, Tenn.).

"Tire tread rubber composition" was invented by Anthony M. Unger (New Albany, Ohio), Adrian C. Stalnaker (Cuyahoga Falls, Ohio), Jessica L. Placke (Rocky River, Ohio) and Benjamin C. Galizio (Munroe Falls, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are tire tread rubber compositions comprising a specified elastomer component, reinforcing silica filler, a specified hydrocarbon resin, oil, and a cure package. The elastomer component includes styrene-butadiene rubber; polybutadiene; and guayule natural rubber."

The patent wa...