Sou Hu Cai Jing·2026-01-06 05:34Group 1 - The core point of the article is that China Petroleum & Chemical Corporation (Sinopec) has obtained a patent for a hydrogenation demetallization catalyst and its preparation method and application, with the patent announcement number CN119926441B and application date of November 2023 [1] Group 2 - China Petroleum & Chemical Corporation was established in 2000 and is based in Beijing, primarily engaged in oil and gas extraction, with a registered capital of 121,739.6893 million RMB [1] - The company has made investments 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 3 - Sinopec (Dalian) Petroleum and Chemical Research Institute Co., Ltd. was established in 2022 and is located in Dalian, focusing on research and experimental development, with a registered capital of 3,384.5908 million RMB [1] - The research institute has invested in 1 enterprise, participated in 2,799 bidding projects, holds 4,999 patent records, and has 65 administrative licenses [1]