天辰齐翔取得丙烯腈副产乙腈高效回收专利

Group 1 - The State Intellectual Property Office of China has granted a patent for a system and process for the efficient recovery of acetonitrile byproduct from acrylonitrile to Tianchen Qixiang New Materials Co., Ltd. and China Tianchen Engineering Co., Ltd. The patent announcement number is CN120837965B, with an application date of September 2025 [1] - Tianchen Qixiang New Materials Co., Ltd. was established in 2019 and is located in Zibo City, primarily engaged in the manufacturing of chemical raw materials and products. The company has a registered capital of 2.7 billion RMB and has participated in 1,580 bidding projects, holds 140 patents, and has 178 administrative licenses [1] - China Tianchen Engineering Co., Ltd. was founded in 1992 and is based in Tianjin, focusing on building decoration, renovation, and other construction industries. The company has a registered capital of 2.5 billion RMB, has invested in 22 enterprises, participated in 5,000 bidding projects, holds 8 trademark registrations, 987 patents, and has 47 administrative licenses [1]