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Yasushi Kuroda
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Oita, JP
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last 30 patents
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Patent Grant
Catalst for olefin polymerization and process for producing polyole...
Patent number
6,096,844
Issue date
Aug 1, 2000
Japan Polyolefins Co., Ltd.
Masaki Fushimi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Solid catalyst components for olefin polymerization
Patent number
5,902,765
Issue date
May 11, 1999
Japan Polyolefins Co., Ltd.
Hirotoshi Takahashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing catalyst carrier for olefin polymerization
Patent number
5,885,920
Issue date
Mar 23, 1999
Japan Polyolefins Co., Ltd.
Hirotoshi Takahashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst for olefin polymerization and process for producing polyol...
Patent number
5,849,654
Issue date
Dec 15, 1998
Japan Polyolefins Co., Ltd.
Masaki Fushimi
C07 - ORGANIC CHEMISTRY