Sou Hu Cai Jing·2025-06-09 06:23Group 1 - China Petroleum & Chemical Corporation (Sinopec) has applied for a patent for a modified Hβ molecular sieve catalyst, with the patent application number CN120094631A, filed on December 2023 [1] - The catalyst composition includes 60%-85% Hβ molecular sieve, 0.1%-6% sodium oxide and/or potassium oxide, and 13%-35% aluminum oxide, with a silicon-aluminum molar ratio of 25-180 and a characteristic constant k of 100-550 [1] - The preparation method involves dissolving cinnamic acid salt in benzene, purging with hot nitrogen, and using conventional methods to produce the catalyst [1] Group 2 - China Petroleum & Chemical Corporation was established in 2000, located in Beijing, with a registered capital of approximately 12.17 billion RMB [2] - The company has invested in 250 enterprises, participated in 5000 bidding projects, and holds 5000 patent records [2] - Sinopec (Dalian) Petrochemical Research Institute, established in 2022, has a registered capital of approximately 338.46 million RMB and has invested in 1 enterprise, participated in 773 bidding projects, and holds 4659 patent records [2]