Wenjun Wei

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Propylene random copolymer, method for its preparation, and composi...
- Patent number 9,303,108
- Issue date Apr 5, 2016
- China Petroleum and Chemical Corporation
- Meifang Guo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene homopolymer having high melt strength and preparation met...
- Patent number 9,068,030
- Issue date Jun 30, 2015
- China Petroleum and Chemical Corporation
- Wenbo Song
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
PROPYLENE RANDOM COPOLYMER, METHOD FOR ITS PREPARATION, AND COMPOSI...
- Publication number 20130108814
- Publication date May 2, 2013
- BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL C...
- Meifang GUO
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
PROPYLENE HOMOPOLYMER HAVING HIGH MELT STRENGTH AND PREPARATION MET...
- Publication number 20130023598
- Publication date Jan 24, 2013
- Wenbo Song
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...