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US 5,869,628 AGranted
Disperse dyes
AssigneeCiba Specialty Chemicals Corporation
InventorsPaul Herzig, Antoine Clement
Life of this patent
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Abstract
Disperse dyes of formula ##STR1## wherein R.sub.1 is chloro or bromo, R.sub.2 is methyl or ethyl, and R.sub.3 is methyl or ethyl. The dyes are particularly suitable for dyeing or printing polyester fiber textile material.
Claims13
A dye of formula ##STR7## wherein R.sub.1 is chloro or bromo,
- R.sub.2 is methyl or ethyl, and
- R.sub.3 is methyl or ethyl.
Dependencies are inferred from the claim text.