ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,299, issued on Dec. 9, was assigned to BRIDGESTONE Corp. (Tokyo).
"Rubber composition and tire" was invented by Kazuya Murata (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to provision of a tire in which both high mechanical strength and excellent ozone crack resistance are made compatible with each other and a rubber composition capable of producing the tire. The rubber composition contains a rubber component including a diene-based rubber, a hydroquinone compound having one alkyl group having 4 to 6 carbon atoms, and an amine-based anti-aging agent."
The patent was filed on June 11, 2020, under Application No....