WH

Weiqi Hua

WC Wanhua Chemical Group Co.: 6 patents #1 of 54Top 2%
WC Wanhua Chemical (Ningbo) Co.: 1 patents #1 of 19Top 6%
📍 Shandong, CN: #1 of 173 inventorsTop 1%
Overall (2017): #13,107 of 506,227Top 3%
7
Patents 2017

Issued Patents 2017

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9845281 Method for preparing hydroxyethyl (meth) acrylate Junping Li, Haibo Chen, Lichang Zhang, Chunxian Cui, Yuan Li +3 more 2017-12-19
9840462 Solvent refining method for isocyanate prepared by phosgene method and devices used in same Hongke Zhang, Yu Yao, Dongke Zhao, Bin Chen, Dekai Shi +4 more 2017-12-12
9802848 Method for treating waste saline water produced in production process of diphenylmethane diisocyanate (MDI) Hongke Zhang, Xiaogao Liu, Zhenhua Zhao, Shuchang Sun, Jiansheng Ding +5 more 2017-10-31
9701624 Method for preparing biuret polyisocyanate Bin Shi, Yonghua Shang, Haijun Li, Yuan Li, Ensen Ma +1 more 2017-07-11
9683078 Method for preparing branched polycarbonate with continuous two-phase interface phosgene method Lei Zhang, Zhikun GAO, Zhansen Xiong, Hongke Zhang, Qin Tian 2017-06-20
9624162 Method for preparing 3-aminomethyl-3,5,5-trimethyl cyclohexylamine Changsheng Chen, Jinke Jiang, Zhongying Chen, Jiaoying Cui, Jing Wang +4 more 2017-04-18
9580380 Method for preparing diamino-dicyclohexyl methane Xin Li, Hao Chen, Congying Zhang, Shan Gao, Zhenguo Liu +7 more 2017-02-28