QY

Qinghe Yang

CP China Petrochemical: 1 patents #1 of 39Top 3%
RS Research Institute Of Petroleum Processing, Sinopec: 1 patents #1 of 12Top 9%
Overall (2003): #139,277 of 273,478Top 55%
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 Bin Liu, Hong Nie, Xuefen Liu, Dadong Li, Yahua Shi +1 more 2003-02-11