Sou Hu Cai Jing·2026-01-07 07:30Group 1 - China Petroleum & Chemical Corporation (Sinopec) has applied for a patent titled "A Hydrogenation Process and Coupling System for C5 Residual Oil," with publication number CN121271590A, and the application date is July 2024 [1] - The patent describes a hydrogenation process that includes mixing C5 residual oil with high-temperature gas, undergoing hydrogenation reactions under liquid phase conditions, and ultimately producing ethylene feedstock [1] - The process aims to enhance the removal of olefins from C5 residual oil, increase processing capacity, simplify the overall process, and reduce investment costs [1] Group 2 - Sinopec was established in 2000 and is primarily engaged in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB [2] - The company has made investments in 267 enterprises and participated in 5,000 bidding projects, holding 45 trademark records and 5,000 patent records [2] - Sinopec (Dalian) Petrochemical Research Institute, founded in 2022, focuses on research and development, with a registered capital of approximately 338.46 million RMB and has participated in 2,826 bidding projects [2]