Sou Hu Cai Jing·2026-01-17 04:39Group 1 - The State Intellectual Property Office of China shows that Sinopec has applied for a patent titled "A Method for Liquid Phase Isomerization of Xylene," with publication number CN121318652A, and the application date is July 2024 [1] - The patent describes a method for liquid phase isomerization of xylene, which involves contacting carbon eight aromatic materials with a catalyst under hydrogen gas conditions, using a catalyst that includes ZSM-5 molecular sieve and transition metals [1] - The method can be conducted under relatively mild conditions, reducing the occurrence of side reactions, thereby improving the selectivity and yield of xylene [1] Group 2 - Sinopec, established in 2000 and located in Beijing, primarily engages in oil and gas extraction, with a registered capital of 12,173,968.9893 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 Shanghai Petrochemical Research Institute, established in 2022 in Shanghai, focuses on research and experimental development, with a registered capital of 49,800 million RMB [2] - The research institute has invested in 2 enterprises, participated in 2,710 bidding projects, and holds 861 patent records, along with 133 administrative licenses [2]