Sou Hu Cai Jing·2026-01-02 11:41Group 1 - The State Intellectual Property Office of China has granted a patent to China Petroleum & Chemical Corporation for a "copper-manganese composite adsorbent material and its preparation method and application," with the announcement number CN119034673B and an application date of May 2023 [1] - China Petroleum & Chemical Corporation, established in 2000 and located in Beijing, primarily engages in oil and gas extraction, with a registered capital of 121,739.6893 million RMB [1] - The company has invested in 267 enterprises, participated in 5,000 bidding projects, holds 45 trademark registrations, and has 5,000 patent records, along with 41 administrative licenses [1] Group 2 - Sinopec Petroleum and Chemical Research Institute Co., Ltd., established in 2022 and also located in Beijing, focuses on research and experimental development, with a registered capital of 30,000 million RMB [1] - This research institute has invested in 2 enterprises, participated in 3,844 bidding projects, holds 1,624 patent records, and possesses 293 administrative licenses [1]