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Daqing, CN
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last 30 patents
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Patent Grant
Olefin polymerization catalyst and preparation method and use thereof
Patent number
8,404,789
Issue date
Mar 26, 2013
PetroChina Company Limited
Jianjun Yi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
OLEFIN POLYMERIZATION CATALYST AND PREPARATION METHOD AND USE THEREOF
Publication number
20100184930
Publication date
Jul 22, 2010
Petrochina Company Limited
Jianjun Yi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...