Sou Hu Cai Jing·2025-08-05 10:53Group 1 - The State Intellectual Property Office of China shows that Sinopec Limited has applied for a patent titled "Silicon-Aluminum Metal Catalyst and Its Preparation Method and Application, Method for Preparing Dimethylaminocaprylic Acid" with publication number CN120420969A, filed on February 2024 [1] - The patent involves catalyst technology, specifically a silicon-aluminum metal catalyst that effectively reduces B acid density while maintaining a certain L acid density, and exhibits low wear index, high compressive strength, high specific surface area, and low average pore diameter [1] - The silicon-aluminum metal catalyst containing the modified alumina demonstrates high catalytic activity, particularly in the preparation of dimethylaminocaprylic acid, achieving high raw material conversion rates and target product selectivity [1] Group 2 - Sinopec Limited, established in 2000 and located in Beijing, primarily engages in oil and gas extraction, with a registered capital of 12,173,968.9893 million RMB [1] - The company has invested in 263 enterprises, participated in 5,000 bidding projects, and holds 45 trademark records and 5,000 patent records, along with 40 administrative licenses [1] - Sinopec Petroleum and Chemical Research Institute Co., Ltd., founded in 2022 and also based in Beijing, focuses on research and experimental development, with a registered capital of 30,000 million RMB [2] - The research institute has invested in 2 enterprises, participated in 1,697 bidding projects, and holds 1,310 patent records, along with 292 administrative licenses [2]