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US 3,980,678 AGranted
Anthraquinone disperse dyes
AssigneeSumitomo Chemical Company, Limited
InventorsEiji Yamada, Masao Nishikuri, Ryuji Kanou, Taizo Ohshima
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Abstract
A disperse dye of the formula, ##SPC1## Wherein X.sub.1 and X.sub.2 each are an amino or hydroxyl group, Y is a hydrogen or halogen atom, Z is an oxygen or sulfur atom or a direct linkage, R is a hydrogen or halogen atom or a lower alkyl or lower alkoxy group, n is an integer of from 1 to 4, and m is 1 or 2, which is suitable for dyeing synthetic fibers such as polyester fibers with a high color value and good fastnesses.
Claims2
A compound of the formula, ##SPC15##
A compound of the formula, ##SPC16##
Dependencies are inferred from the claim text.