Sou Hu Cai Jing·2025-12-06 04:01Group 1 - The State Intellectual Property Office of China has granted a patent for a system and method for oil phase hydrogenation to China National Offshore Oil Corporation (CNOOC), CNOOC Refining & Chemical Company, and CNOOC Chemical Research and Design Institute (Beijing) [1] - CNOOC was established in 1983 and is primarily engaged in oil and gas exploration, with a registered capital of 11,380 million RMB. The company has invested in 45 enterprises and participated in 5,000 bidding projects, holding 281 trademark records and 5,000 patent records [1] - CNOOC Refining & Chemical Company, founded in 2005, focuses on oil, coal, and other fuel processing, with a registered capital of 5,129.42 million RMB. It has invested in 27 enterprises and participated in 4,618 bidding projects, holding 456 trademark records and 509 patent records [1] Group 2 - CNOOC Chemical Research and Design Institute (Beijing) was established in 2016, focusing on research and experimental development, with a registered capital of 961.24 million RMB. The institute has invested in 1 enterprise and participated in 311 bidding projects, holding 226 patent records [2]