US Patent Issued to Jianhu Kaitai Petroleum Machinery on Dec. 30 for "Functionalized graphene oxide nitrile rubber and tooth-scar-free tooth block" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,573, issued on Dec. 30, was assigned to Jianhu Kaitai Petroleum Machinery Co. Ltd. (Yancheng, China).

"Functionalized graphene oxide nitrile rubber and tooth-scar-free tooth block" was invented by Lizhong Wu (Yancheng, China) and Dongfeng Li (Yancheng, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A functionalized graphene oxide nitrile rubber and A tooth-scar-free tooth block is provided. The functionalized graphene oxide nitrile rubber comprises the following components in parts by weight: 100-140 parts of nitrile rubber, 30-90 parts of a functionalized graphene oxide nitrile rubber masterbatch, 1.8-2.52 parts of a vulcanizing agent, 1.2-1....