中国石油化工申请石油焦及其制备方法专利，显著提升劣质富芳烃油中重质馏分的附加价值

Group 1 - China Petroleum & Chemical Corporation (Sinopec) and Sinopec Petroleum Chemical Research Institute have applied for a patent titled "Petroleum Coke and Its Preparation Method" with publication number CN119931720A, filed on March 2024 [1] - The patent involves a method for producing petroleum coke from low-quality aromatic oil, enhancing the value of heavy fractions in the oil and making it suitable for industrial promotion [1] - The preparation method includes separating light and heavy components from the low-quality aromatic oil, followed by hydrogenation and delayed coking processes [1] Group 2 - China Petroleum & Chemical Corporation was established in 2000, located in Beijing, with a registered capital of approximately 12.17 billion RMB, and has invested in 256 companies [2] - Sinopec Petroleum Chemical Research Institute was founded in 2022, also in Beijing, with a registered capital of 300 million RMB, and has invested in 2 companies [2] - Both companies have significant patent portfolios, with Sinopec holding around 5000 patents and the research institute holding 1232 patents [2]