Inventor
YOKOGAWA KAZUFUMI
JP10 patents
Patents
10 patentsUS5116956AMay 26, 1992
Polyazo dye compounds having vinylsulfone type and pyridinium type fiber reactive groups
SUMITOMO CHEMICAL CO4 citations62
US5112959AMay 12, 1992
Polyazo dye compounds having plural vinylsulfone type fiber reactive groups in one molecule
SUMITOMO CHEMICAL CO5 citations62
US4880431ANov 14, 1989
Aryl monoazo pyridone yellow compound having two vinylsulfone type fiber reactive groups bonded to a triazine ring for dyeing cellulose or polyamide
SUMITOMO CHEMICAL CO6 citations62
US4812558AMar 14, 1989
Triazine compound having two vinylsulfone type fiber reactive groups
SUMITOMO CHEMICAL CO7 citations62
US4910298AMar 20, 1990
Monoazo compound having triazinyl bridging group and two vinylsulfone type fiber reactive groups imparting yellowish color
SUMITOMO CHEMICAL CO2 citations61
US4904766AFeb 27, 1990
Monoazo compound having two vinylsulfone type fiber reactive groups through triazinyl bridging group
SUMITOMO CHEMICAL CO3 citations61
US4824942AApr 25, 1989
Fiber-reactive monoazo compound and aqueous compositions thereof imparting and color
SUMITOMO CHEMICAL CO2 citations61
US5478936ADec 26, 1995
Asymmetric dioxazine compounds and method for dyeing or printing fiber materials using the same
SUMITOMO CHEMICAL CO2 citations58
US6136970AOct 24, 2000
Asymmetric dioxazine compounds and method for dyeing or printing fiber materials using the same
SUMITOMO CHEMICAL CO0 citations50
US5760196AJun 2, 1998
Monoazo blue disperse dye compounds and methods for dyeing or printing hydrophobic fiber materials using the same
SUMITOMO CHEMICAL CO0 citations40