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Akinobu Sugahara
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Ichihara, JP
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last 30 patents
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Patent Grant
Flexible polypropylene resins, propylene bases elastomer compositio...
Patent number
6,156,846
Issue date
Dec 5, 2000
Idemitsu Petrochemical Co., Ltd.
Masayuki Tsuruoka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Flexible polypropylene resins, propylene based elastomer compositio...
Patent number
6,001,933
Issue date
Dec 14, 1999
IdemitsuPetrochemical Co., Ltd.
Masayuki Tsuruoka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst component for olefin polymerization and process for produc...
Patent number
5,556,820
Issue date
Sep 17, 1996
Idemitsu Petrochemical Co., Ltd.
Hideo Funabashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polyolefins
Patent number
5,194,531
Issue date
Mar 16, 1993
Idemitsu Petrochemical Co., Ltd.
Masatoshi Toda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...