HL

Helong Li

CP China Petrochemical: 1 patents #103 of 418Top 25%
CC China Petroleum & Chemical: 1 patents #836 of 1,719Top 50%
Overall (All Time): #2,196,426 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6822127 Selective hydrogenation catalyst for selectively hydrogenating of unsaturated olefin, process for preparing the same and its use Wei Dai, Jing Zhu, Hui Peng, Yanlai Guo, Wei Mu +1 more 2004-11-23
6459008 Selective hydrogenation catalyst system and process for preparing the same and its use Wei Dai, Jing Zhu, Yanlai Guo, Wei Mu, Hui Peng +1 more 2002-10-01