ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,234, issued on Feb. 3, was assigned to TOYO TIRE Corp. (Itami, Japan).
"Rubber composition and pneumatic tire" was invented by Akari Hashimoto (Itami, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rubber composition containing, when a total amount of a rubber component is taken as 100 parts by mass, 0.5 to 6 parts by mass of a compound represented by the following general formula (1):wherein at least one of R1 to R5 is an -OH group or an -OCH3 group and others are each an -H group or a hydrocarbon group having 1 to 20 carbon atoms) and 0.5 to 6 parts by mass of a lignin-based antiaging agent."
The patent was filed on Dec. 5, 2023, under App...