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Kiyoshi Saito
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Hyogo, JP
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last 30 patents
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Patent Grant
Polyhydroxy aromatic compounds, epoxy resins derived therefrom and...
Patent number
5,334,674
Issue date
Aug 2, 1994
Dai-Ichi Kogyo Seiyaku Co., Ltd.
Akihiro Naka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Poly-hydroxynaphthalene compounds and epoxy resin composition
Patent number
5,302,673
Issue date
Apr 12, 1994
Dai-Ichi Kogyo Seiyaku Co., Ltd.
Akihiro Naka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...