QZ

Qinfang Zhao

CP China Petrochemical: 1 patents #1 of 39Top 3%
CC China Petroleum & Chemical: 1 patents #1 of 17Top 6%
Overall (2003): #47,650 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6642325 Silica gel-supported catalyst component for ethylene (co)polymerization, catalyst therefrom and use of the same Hekuan Luo, Ruiguo Tang, Kejing Gao, Jingyan An, Hua Yang +1 more 2003-11-04
6538078 Supported catalyst for ethylene (co)polymerization, preparation and use of the same Hekuan Luo, Ruiguo Tang, Hua Yang 2003-03-25