QT

Qin Tian

WC Wanhua Chemical Group Co.: 1 patents #4 of 54Top 8%
Overall (2017): #275,953 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9683078 Method for preparing branched polycarbonate with continuous two-phase interface phosgene method Lei Zhang, Zhikun GAO, Zhansen Xiong, Hongke Zhang, Weiqi Hua 2017-06-20