ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,214, issued on Nov. 11, was assigned to Bridgestone Americas Tire Operations LLC (Nashville, Tenn.).
"Tire tread rubber composition" was invented by Anthony M. Coffman (Munroe Falls, 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 was filed on June 10, 2021, under Application No. 17/344,069.
*For further informa...