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US 4,341,699 AGranted
Reactive red dye having both monochlorotriazinyl- and vinylsulfone-type reactive groups
AssigneeSumitomo Chemical Company, Limited
InventorsYasuo Tezuka, Masaki Sunami, Takashi Omura, Yutaka Kayane
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Abstract
A dye represented by a free acid of the formula, ##STR1## wherein A is ##STR2## in which Z is --CH.sub.2 CH.sub.2 OSO.sub.3 H or --CH.dbd.CH.sub.2. This dye is usable for dyeing cellulose fibers in brilliant red color with good fastness, particularly, too chlorine, light and perspiration-light and possesses level dyeing properties.
Claims3
A compound represented by a free acid of the formula, ##STR17## wherein A is ##STR18## in which Z is --CH.sub.2 CH.sub.2 OSO.sub.3 H or --CH.dbd.CH.sub.2.
A compound of the formula, ##STR19##
A compound of the formula, ##STR20##
Dependencies are inferred from the claim text.