Kenji Takahashi

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Niihama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing aminoanthraquinone
- Patent number 4,407,756
- Issue date Oct 4, 1983
- Sumitomo Chemical Company, Limited
- Akira Fukasawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...