Sou Hu Cai Jing·2026-02-08 14:48Core Insights - China Petroleum & Chemical Corporation (Sinopec) has obtained a patent for a "hydrogenation catalyst for maleic anhydride esterification and its preparation method and application," with the authorization announcement number CN118513039B, applied on February 2023 [1] Company Overview - 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 invested in 269 enterprises, participated in 5,000 bidding projects, holds 45 trademark registrations, and possesses 5,000 patent records, along with 41 administrative licenses [1] Research Institute Overview - Sinopec (Dalian) Petrochemical Research Institute Co., Ltd., established in 2022 and located in Dalian, focuses on professional technical services, with a registered capital of 338,459.08 million RMB [1] - The research institute has invested in 1 enterprise, participated in 3,012 bidding projects, holds 5,000 patent records, and has 65 administrative licenses [1]