US Patent Issued to The Goodyear Tire & Rubber on Aug. 11 for "Tire tread rubber composition comprising rice husk ash silica" (Ohio Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,784, issued on Aug. 11, was assigned to The Goodyear Tire & Rubber Co. (Akron, Ohio).

"Tire tread rubber composition comprising rice husk ash silica" was invented by Bruce Raymond Hahn (Hudson, Ohio), George Jim Papakonstantopoulos (Medina, Ohio), Xiaoping Yang (Streetsboro, Ohio) and Kuo-Chih Hua (Richfield, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention is based upon the unexpected discovery that rice husk ash silica (synthetic amorphous silica from rice husk ash) provides an exceptionally good combination of properties when used in certain tire tread rubber formulations, such as an excellent combination of traction, tread-wear...