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US 5,928,387 AGranted
Dye mixtures, process for their preparation and their use
AssigneeCiba Specialty Chemicals Corporation
InventorsEdmond Ruhlmann, Laszlo Fekete
Life of this patent
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Abstract
Dye mixtures comprising at least one dye of formulae ##STR1## wherein A is hydrogen or a substituent, R and R.sub.1 are hydrogen or C.sub.1 -C.sub.4 alkyl, X is halogen and L is an aliphatic linking group containing 1 to 12 carbon atoms, are suitable for dyeing cellulosic fiber materials.
Claims7
A dye mixture, comprising at least one dye of each of formulae ##STR17## wherein A is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, or carboxy, R and R.sub.1 are hydrogen or C.sub.1 -C.sub.4 alkyl, X is halogen and L is an aliphatic linking group containing 1 to 12 carbon atoms.
Dependencies are inferred from the claim text.