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US 2007/0199163 A1Published application
Mono-, Di- or Trichromatic Dyeing or Printing of Natural or Synthetic Polyamide Fiber Materials
AssigneeDyStar Textilfarben GmbH & Co. Deutschland KG
InventorsStefan Ehrenberg, Andreas Giehl, Jorg Worner
Life of this patent
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Abstract
The present invention relates to processes for mono-, di- or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials, these processes utilizing a) blue-dyeing dye mixture, b) a red-dyeing dye mixture and/or c) a yellow-dyeing dye mixture, and also blue-dyeing, red-dyeing and yellow-dyeing dye mixtures and processes for their preparation.
Claims15
1-4. (canceled)
A blue-dyeing dye mixture comprising at least one dye of the general formula (I)
- and at least one dye of the general formula (II)
- where
- B1 resents a group of the formula
- V1 represents a group of the formula
- V2 represents a group of the formula
- R1, R2 and R3 independently represent hydrogen, methyl, methoxy or chlorine;
- R4 represents hydrogen or —SO3M;
- Y1 represents vinyl or β-sulfatoethyl;
- and
- M represents hydrogen, sodium or potassium.
7 more elements
8-13. (canceled)
16-17. (canceled)
Dependencies are inferred from the claim text.