Inventor · disambiguated record
Qinfang Zhao
Also filed as: ZHAO QINFANG
3 granted patents·11 citations·filing 2000–2003
62Inventor score
Top patents by PatentIndex Score
3 records- 0159US6642325B2Silica gel-supported catalyst component for ethylene (co)polymerization, catalyst therefrom and use of the sameCHINA PETROLEUM & CHEMICAL·Filed 2001·Granted Nov 4, 2003·7 cites·18 claims
- 0246US7172988B2Catalyst component for ethylene polymerization, a process for preparing thereof and catalyst comprising the sameBEIJING RES INST CHEM IND·Filed 2003·Granted Feb 6, 2007·2 cites·22 claims
- 0345US6538078B2Supported catalyst for ethylene (co)polymerization, preparation and use of the sameCHINA PETROCHEMICAL CORP·Filed 2000·Granted Mar 25, 2003·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →