Toshiaki Kishimoto

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing 4,4'-Diamino-1,1'-dianthraquinonyl pigments
- Patent number 5,416,263
- Issue date May 16, 1995
- Sumitomo Chemical Co., Ltd.
- Iwao Sakaguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for purification of crude 4,4'-diamino-1,1'-dianthraquinony...
- Patent number 5,393,899
- Issue date Feb 28, 1995
- Sumimoto Chemical Company, Limited
- Hiroki Inoue
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 4,4'-diamino-1,1,'-dianthraquinonyl pigments
- Patent number 5,320,678
- Issue date Jun 14, 1994
- Sumitomo Chemical Co. Ltd.
- Hiroki Inoue
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for producing copper phthalocyanine pigment
- Patent number 4,785,091
- Issue date Nov 15, 1988
- Sumitomo Chemical Company, Limited
- Taira Fujita
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...