Hirokazu Sawamoto

Dioxazine compound having vinylsulfone type fiber reactive group

Fiber-reactive disazo compound

Triphenodioxazine compounds and dyeing or printing of fiber materials using the same

Fiber reactive dioxazine compound having four vinylsulfone type reactive groups

Fiber-reactive disazo brown dye having vinylsulfone-type reactive group

Fiber-reactive pyridone monoazo compounds

4-methyl-pyridone monoazo compound having both monochlorotriazinyl and vinylsulfone type fiber-reactive groups

Pyridone monoazo compound having vinylsulfone type fiber-reactive group

Fiber reactive yellow dye of acetoacetonilide having vinyl sulfone-type reactive group

FIBER REACTIVE POLYAZO DYE HAVING TWO VINYLSULFONE TYPE REACTIVE GROUPS THROUGH TRIAZINYL BRIDGING GROUP