中石化取得制备挂式四氢双环戊二烯的方法与系统及产物专利

Group 1 - The State Intellectual Property Office of China has granted a patent to China Petroleum & Chemical Corporation for a method and system for preparing suspended tetrahydrodicyclopentadiene, with the authorization announcement number CN 115991629 B, and the application date being October 2021 [1] - China Petroleum & Chemical Corporation, 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 made investments in 268 enterprises, participated in 5,000 bidding projects, holds 45 trademark registrations, and possesses 5,000 patent records, along with 41 administrative licenses [1]