Sou Hu Cai Jing·2026-01-19 08:52Core Insights - China Petroleum & Chemical Corporation (Sinopec) has applied for a patent for a system and method for purifying cyclopentadiene and resin regeneration, indicating ongoing innovation in chemical processing [1] Company Overview - China Petroleum & Chemical Corporation, established in 2000, is primarily engaged in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB [2] - Sinopec Petroleum and Chemical Research Institute Co., Ltd., founded in 2022, focuses on research and experimental development, with a registered capital of 300 million RMB [2] - Sinopec Science and Technology Development Co., Ltd. (Tianjin), also established in 2022, specializes in technology promotion and application services, with a registered capital of 500 million RMB [2] Patent Details - The patent CN121338391A includes a logistics conversion module connected to raw material, resin, and recovery modules, allowing simultaneous purification of cyclopentadiene and resin regeneration without downtime [1]