DL

Dadong Li

CP China Petrochemical: 1 patents #1 of 39Top 3%
Overall (2003): #241,136 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6518219 Catalyst for hydrorefining fraction oils, its carrier and preparation Qinghe Yang, Bin Liu, Hong Nie, Xuefen Liu, Yahua Shi +1 more 2003-02-11