Alexandria, June 14 -- JXTG Nippon Oil & Energy and NTN Corporation have filed a patent application for grease composition for constant velocity joints and constant velocity joint in which same is sealed. This invention was developed by Arai Takashi, Tokumo Yasuha, Ishijima Minoru and Konomoto Takeyoshi. The patent applicati..

Beijing, June 10 -- State Intellectual Property Office of China has released China Petroleum & Chem and Sinopec Res Inst Petroleum's patent application for compound lithium-based lubricating grease and preparing method thereof. This invention was developed by Zheng Hui, Su Shuo, Long Jun, Duan Qinghua, Sun Hongwei, He Yifeng, Ch..