Beijing, Oct. 26 -- China Petroleum & Chemical and SINOPEC Southwest Oil & Gas have secured a patent on Flange Guiding Device for Installing Under-pressure Operation Equipment. Zeng Xiaojian, Pu Yang, Lin Xiaoli, Yang Dade, Zhi Lin and Chen Yingchang developed the invention. The patent application number is CN202520672922U 20..

Beijing, Oct. 23 -- State Intellectual Property Office of China has received Shandong Yulong Petrochemical patent application for Rectification and Purification Equipment and Method for High-purity Chemical Raw Materials. Jia Guoyuan, Sun Jianmin and Li Zhentang developed the invention. The patent application number is CN2026..

Beijing, Oct. 21 -- Weihai Zhongwang Grease has been awarded a patent for Grease Precipitation Equipment Used After Grease Production. This invention was developed by Zhang Jian and Wang Lingyan. The patent application number is CN202520454154U 20250314. The patent publication number is CN223861469 (U). International Patent C..

Beijing, Oct. 21 -- Guangdong University of Petrochemical Technology has been granted a patent for Catalytic Cracking Slurry Oil Filtering and Recycling System. Wang Hui, Deng Yiqiang, Cheng Lihua, Chen Hong, Fan Qinzhen and Zeng Can developed the invention. The patent application number is CN202520451078U 20250314. The paten..