YM

Yabo Ma

WC Wanhua Chemical Group Co.: 1 patents #1 of 27Top 4%
Overall (2018): #187,703 of 503,207Top 40%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10046289 Method for replacement of phosgene synthesis column catalyst Hongke Zhang, Yu Yao, Dongke Zhao, Guanyi Cao, Xiaogao Liu +2 more 2018-08-14