Utazi Sawa

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Nara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing aminoaryl-.beta.-sulfatoethylsulfone
- Patent number 4,482,501
- Issue date Nov 13, 1984
- Sumitomo Chemical Company, Limited
- Nobuzi Nishimura
Information Patent Grant
Process for producing aminoaryl-.beta.-sulfatoethylsulfone
- Patent number 4,346,046
- Issue date Aug 24, 1982
- Sumitomo Chemical Company, Limited
- Nobuzi Nishimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Disazo dye composition
- Patent number 4,257,770
- Issue date Mar 24, 1981
- Sumitomo Chemical Company, Limited
- Nobuzi Nishimura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...