QZ

Qian Zeng

SC Shanghai Huachang Environmental Protection Co.: 1 patents #5 of 17Top 30%
Overall (2018): #272,034 of 503,207Top 55%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10041010 Process and device for treating catalyst discharged from bubbling bed hydrogenation of residual oil Jianping Li, Jiangang Wang, Hualin Wang, Yanhong Zhang, Xin Cui +4 more 2018-08-07