CZ

Congying Zhang

WC Wanhua Chemical Group Co.: 1 patents #4 of 54Top 8%
📍 Shandong, CN: #38 of 173 inventorsTop 25%
Overall (2017): #454,803 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9580380 Method for preparing diamino-dicyclohexyl methane Xin Li, Hao Chen, Shan Gao, Zhenguo Liu, Weijia Wang +7 more 2017-02-28