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Aichun Yang
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Beijing, CN
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last 30 patents
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Patent Grant
Catalyst for the polymerization of propylene and its use
Patent number
6,376,417
Issue date
Apr 23, 2002
China Petro-Chemical Corp.
Aichun Yang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst system for use in olefinic polymerization
Patent number
4,861,847
Issue date
Aug 29, 1989
Beijing Research Institute of Chemical Industry
Bingquan Mao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst system for use in olefinic polymerization
Patent number
4,784,983
Issue date
Nov 15, 1988
Beijing Research Institute of Chemical Industry
Bingquan Mao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
Components and catalysts for the (co) polymerization of olefins
Publication number
20020010081
Publication date
Jan 24, 2002
Zhulan Li
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...