Group 1 - The State Intellectual Property Office of China has granted a patent to China Petroleum & Chemical Corporation and Sinopec (Beijing) Chemical Research Institute for a method and system for preparing halogenated butyl rubber base glue liquid and its applications, with the patent announcement number CN117467054B and application date in July 2022 [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. The company has invested in 267 enterprises, participated in 5,000 bidding projects, holds 45 trademark records, 5,000 patent records, and possesses 41 administrative licenses [1] - Sinopec (Beijing) Chemical Research Institute, founded in 2021 and also based in Beijing, focuses on the manufacturing of chemical raw materials and products, with a registered capital of 10,000 million RMB. The institute has invested in 4 enterprises, participated in 2,702 bidding projects, holds 16 trademark records, 1,987 patent records, and has 937 administrative licenses [1]
中国石化取得制备卤化用丁基橡胶基础胶液专利