Sou Hu Cai Jing·2026-01-12 10:41Group 1 - The State Intellectual Property Office of China shows that Sinopec Limited has applied for a patent titled "Isotropic Coke and Its Preparation Method," with publication number CN121294013A, and the application date is July 2024 [1] - The patent involves a preparation method for isotropic coke, which includes steps such as pressurized polycondensation of petroleum-based heavy aromatic oil, mixing with a dispersing solvent, coking treatment, and calcination to produce isotropic coke [1] - The method aims to produce isotropic coke with a more uniform microstructure, stronger isotropy, and lower impurity content using petroleum-based heavy aromatic oil as raw material [1] Group 2 - Sinopec Limited, established in 2000 and located in Beijing, primarily engages in oil and gas extraction, with a registered capital of 12,173.97 million RMB [1] - The company has invested in 269 enterprises, participated in 5,000 bidding projects, and holds 45 trademark records and 5,000 patent records, along with 41 administrative licenses [1] - Sinopec Petroleum and Chemical Research Institute Co., Ltd., established in 2022 and also located in Beijing, focuses on research and experimental development, with a registered capital of 300 million RMB [2] - This research institute has invested in 2 enterprises, participated in 3,895 bidding projects, and holds 1,646 patent records, along with 293 administrative licenses [2]