Chemicals
| Sat 15 Aug 2026
Beijing, Aug. 15 -- Cnooc Ningbo Daxie Petrochemical Co Ltd has submitted a patent application for System and Method for Deasphalting Mixed C4 Solvent. This invention was developed by Lin Zhiqiang, Chen Lingling, Wang Shiwen, Gao Jian, Zhao Hengyi, Liu Rongbo, Xia Weijian, Jin Bo, Zhou Yi, Ying Lieping, Luo Jianwei, Mei Xunhao, ..