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Toshiyuki Kataoka
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Kanagawa, JP
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last 30 patents
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Patent Grant
Process for preparing polycondensation polymer compound
Patent number
5,719,256
Issue date
Feb 17, 1998
Mitsu Toatsu Chemicals, Inc.
Shoji Tamai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide based resin composition
Patent number
5,473,010
Issue date
Dec 5, 1995
Mitsui Toatsu Chemicals, Inc.
Atsushi Morita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide and preparation process of same
Patent number
5,354,839
Issue date
Oct 11, 1994
Mitsui Toatsu Chemicals, Incorporated
Wataru Yamashita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aromatic diamine intermediates useful in the preparation of polyimide
Patent number
5,322,962
Issue date
Jun 21, 1994
Mitsui Toatsu Chemicals, Inc.
Shoji Tamai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aromatic diamine compound, preparation process of same and polyimid...
Patent number
5,231,160
Issue date
Jul 27, 1993
Mitsui Toatsu Chemicals, Incorporated
Shoji Tamai
C07 - ORGANIC CHEMISTRY