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US 2010/0132135 A1Published application
Reactive dyes, a process for their preparation and their use
AssigneeHuntsman International LLC
InventorsGeorg Roentgen, Dragana Djokic, Laszlo Fekete
Life of this patent
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Abstract
Reactive dyes of formula (I), wherein D is a radical of formulae (II, IV, VI) or (VII), R1 is hydrogen, acetyl, sulfo, α,β-dibromopropionylamino, α-bromoacryloylamino, β-chlomethylsulfonylbutyrylamino, β-sulfatoethylsulfonylbutyrylamino or vinylsulfonylbutyrylamino, R2 is methyl or methoxy, X is halogen, Y is vinyl or β-sulfatoethyl and Z is hydroxy, vinyl or β-sulfatoethyl, are suitable especially for dyeing cotton and yield dyeings having good all-round fastness properties.
Claims9
A reactive dye of formula
- wherein
- D is a radical of formula
- R1 is hydrogen, acetyl, sulfo, α,β-dibromopropionylamino, α-bromoacryloylamino, β-chloroethylsulfonylbutyrylamino, β-sulfatoethylsulfonylbutyrylamino or vinylsulfonylbutyrylamino,
- R2 is methyl or methoxy,
- X is halogen,
- Y is vinyl or β-sulfatoethyl and
- Z is hydroxy, vinyl or β-sulfatoethyl.
4 more elements
Dependencies are inferred from the claim text.