QZ

Qinfang Zhao

BI Beijing Research Institute Of Chemical Industry: 2 patents #6 of 103Top 6%
CC China Petroleum & Chemical: 2 patents #492 of 1,719Top 30%
CP China Petrochemical: 1 patents #103 of 418Top 25%
Overall (All Time): #1,585,605 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7172988 Catalyst component for ethylene polymerization, a process for preparing thereof and catalyst comprising the same Kejing Gao, Dongbing Liu, Wei-Ming Chen, Guirong Fan, Xinping Lü +3 more 2007-02-06
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