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Toshimi Terao
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Chiba, JP
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last 30 patents
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Patent Grant
Olefin sulfonation method
Patent number
4,925,976
Issue date
May 15, 1990
Lion Corporation
Toshimi Terao
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sulfonation method of polystyrene
Patent number
4,671,903
Issue date
Jun 9, 1987
Lion Corporation
Kyozo Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Thin film type sulfonation process of alkylbenzene
Patent number
4,390,475
Issue date
Jun 28, 1983
Lion Corporation
Fusao Kondo
C07 - ORGANIC CHEMISTRY