Group 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]

Core Viewpoint - China Petroleum & Chemical Corporation (Sinopec) and Sinopec Shanghai Petrochemical Company have applied for a patent for a method to prepare tetradecene using a reaction distillation process, which aims to enhance efficiency and reduce costs in production [1] Group 1: Patent Application - The patent titled "A Method for Preparing Tetradecene by Reaction Distillation" was published with the application number CN120365142A, filed on January 2024 [1] - The method involves mixing carbon nine fraction with norbornene in a reactor, followed by direct distillation to separate the remaining materials and produce crude tetradecene [1] - This innovative approach combines reaction and distillation, allowing for preliminary separation of products, which can save equipment costs and reduce energy consumption [1] Group 2: Company Overview - China Petroleum & Chemical Corporation was established in 2000, headquartered in Beijing, with a registered capital of approximately 121.74 billion RMB [2] - Sinopec has invested in 263 companies and participated in 5,000 bidding projects, holding 45 trademarks and 5,000 patents [2] - Sinopec Shanghai Petrochemical Company, founded in 1993 and based in Shanghai, has a registered capital of about 10.80 billion RMB [2] - The Shanghai branch has invested in 22 companies, engaged in 5,000 bidding projects, and holds 51 trademarks and 1,295 patents [2]