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US 5,194,612 AGranted
Reactive dyestuffs
AssigneeBayer Aktiengesellschaft
InventorsWolfgang Harms, Frank-Michael Stohr, Karl-Heinz Schundehutte
Life of this patent
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Abstract
Reactive dyestuffs of the formula ##STR1## in which the substituents have the meanings given in the description, are highly suitable for the dyeing and printing of hydroxyl- and nitrogen-containing materials, such as cellulose, wool, silk, polyamides, polyurethanes.
Claims6
A dyestuffs of the formula ##STR25## in which ##STR26## R.sub.1 =C.sub.1 -C.sub.2 -alkyl, SO.sub.3 H R.sub.2 =C.sub.1 -c.sub.2 -alkyl, Z
- R.sub.3 -H, C.sub.1 -C.sub.4 -alkyl, SO.sub.3 H
- r.sub.4 =H, substituted or unsubstituted C.sub.1 -c.sub.4 -alkyl
- m=0 or 1
- n=0 or 1
- with the proviso that m is 0, if R.sub.2 is Z, and n is 0, if R.sub.1 and/or R.sub.3 is SO.sub.3 H.
2 more elements
Dyestuff of the formula ##STR31##
Dependencies are inferred from the claim text.