Hiroharu Suzuki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of indigo compounds
- Patent number 4,992,556
- Issue date Feb 12, 1991
- Mitsui Toatsu Chemicals, Incorporated
- Usaji Takaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...