Inventor · disambiguated record
Sadanobu Kikkawa
Also filed as: KIKKAWA SADANOBU
8 granted patents·62 citations·filing 1987–1990
85Inventor score
Files withSUMITOMO CHEMICAL CO8
Top patents by PatentIndex Score
8 records- 0182US4837310ARed or bluish-red fiber-reactive monoazo compound having 7-substituted amino-1-naphthol-sulfonic acid as coupling component between the chromophore and fiber reactive portions of the compoundSUMITOMO CHEMICAL CO·Filed 1987·Granted Jun 6, 1989·18 cites·6 claims
- 0278US5131917AFiber reactive red dye compositionSUMITOMO CHEMICAL CO·Filed 1990·Granted Jul 21, 1992·16 cites·12 claims
- 0373US4873321AMonazo compounds having a triozinyl bridging group and two vinylsulfone type fiber reactive groupsSUMITOMO CHEMICAL CO·Filed 1987·Granted Oct 10, 1989·11 cites·11 claims
- 0468US4841032AFiber reactive monoazo compounds having two vinylsulfone type fiber reactive groups in the moleculeSUMITOMO CHEMICAL CO·Filed 1987·Granted Jun 20, 1989·9 cites·8 claims
- 0545US4904766AMonoazo compound having two vinylsulfone type fiber reactive groups through triazinyl bridging groupSUMITOMO CHEMICAL CO·Filed 1987·Granted Feb 27, 1990·3 cites·12 claims
- 0640US4910298AMonoazo compound having triazinyl bridging group and two vinylsulfone type fiber reactive groups imparting yellowish colorSUMITOMO CHEMICAL CO·Filed 1987·Granted Mar 20, 1990·2 cites·10 claims
- 0740US4841033AReactive red monoazo dye compound having two vinylsulfone type fiber reactive groupsSUMITOMO CHEMICAL CO·Filed 1987·Granted Jun 20, 1989·2 cites·7 claims
- 0830US5116959AFiber-reactive monoazo dye compounds having substituted triazinyl bridging groupSUMITOMO CHEMICAL CO·Filed 1987·Granted May 26, 1992·1 cites·8 claims
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