Sou Hu Cai Jing·2025-07-28 01:06Group 1 - The State Intellectual Property Office of China has published a patent application by China Petroleum & Chemical Corporation (Sinopec) for a method to produce tetracyclododecene using carbon nine and norbornene as raw materials, with the publication number CN120365141A and application date of January 2024 [1] - The patent describes a process that involves mixing norbornene with carbon nine, heating the mixture in a reactor, and subsequently undergoing a reaction to produce tetracyclododecene, followed by three distillation steps to obtain high-purity tetracyclododecene [1] Group 2 - China Petroleum & Chemical Corporation was established in 2000, located in Beijing, primarily engaged in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB [1] - The company has invested in 263 enterprises, participated in 5000 bidding projects, holds 45 trademark records, 5000 patent records, and possesses 40 administrative licenses [1] - Sinopec Shanghai Petrochemical Company, established in 1993 and located in Shanghai, focuses on oil, coal, and other fuel processing, with a registered capital of approximately 1.08 billion RMB [2] - This subsidiary has invested in 22 enterprises, participated in 5000 bidding projects, holds 51 trademark records, 1295 patent records, and possesses 12,807 administrative licenses [2]