Zhaowen Ma

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst component and catalyst for olefin polymerization as well a...
- Patent number 7,332,455
- Issue date Feb 19, 2008
- China Petroleum and Chemical Corporation
- Chen Wei
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst system for use in ethylene polymerization and copolymeriza...
- Patent number 6,617,278
- Issue date Sep 9, 2003
- China Petro-Chemical Corporation
- Maozhu Jin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Compound catalyst system for synthesizing polyethylenes or copolyme...
- Patent number 6,387,839
- Issue date May 14, 2002
- China Petrochemical Corporation
- Maozhu Jin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Catalyst component and catalyst for olefin polymerization as well a...
- Publication number 20050119427
- Publication date Jun 2, 2005
- Chen Wei
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...