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For the Inventor, By the Inventor

Beijing, China

Qinfang Zhao

This inventor holds 3 USPTO granted patents. Top assignees: Beijing Research Institute of Chemical Industry, China Petroleum Chemical Corporation, Other. Active years: 2003-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Qinfang Zhao. Retrieved from https://idiyas.com/inventor/qinfang-zhao

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 3

% Patents Active = 66.7

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:

goldMedal1 out of 11 
 
Beijing Research Institute of Chemical Industry
 patents
silverMedal1 out of 674 
 
China Petroleum Chemical Corporation
 patents
bronzeMedal2 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 2003-2007

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3 patents (USPTO):Explore Patents
1. 7172988 - Catalyst component for ethylene polymerization, a process for preparing thereof and catalyst comprising the same (2007-02-06),
2. 6642325 - Silica gel-supported catalyst component for ethylene (co)polymerization, catalyst therefrom and use of the same (2003-11-04),
3. 6538078 - Supported catalyst for ethylene (co)polymerization, preparation and use of the same (2003-03-25),

Title: Qinfang Zhao: Innovator in Ethylene Polymerization Catalysts

Introduction

Qinfang Zhao is a prominent inventor based in Beijing, China. He has made significant contributions to the field of polymer chemistry, particularly in the development of catalysts for ethylene polymerization. With a total of 3 patents, Zhao's work has advanced the efficiency and effectiveness of polymer production processes.

Latest Patents

Zhao's latest patents include innovative catalyst components designed for ethylene polymerization. One notable patent is for a catalyst component that includes an inorganic oxide support and various metal compounds. This catalyst is designed to enhance the polymerization process by improving activity and copolymerizability with other alpha-olefins. Another significant patent involves a silica gel-supported catalyst component, which is particularly effective in gas phase fluidized bed polymerization, yielding high-quality linear low-density polyethylene (LLDPE) resins.

Career Highlights

Throughout his career, Qinfang Zhao has worked with notable organizations, including China Petroleum & Chemical Corporation. His expertise in catalyst development has positioned him as a key figure in the field of polymer chemistry.

Collaborations

Zhao has collaborated with esteemed colleagues such as Hekuan Luo and Ruiguo Tang. These partnerships have contributed to the advancement of innovative solutions in polymerization technology.

Conclusion

Qinfang Zhao's contributions to the field of ethylene polymerization catalysts demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of chemical processes and a drive to enhance industrial applications.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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