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US 5,176,718 AGranted
Reactive dyestuff preparations containing pyridine derivatives
AssigneeBayer Aktiengesellschaft
InventorsMartin Michna, Manfred Hoppe, Karl-Josef Herd, Hermann Henk, Frank-Michael Stohr
Life of this patent
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Abstract
Preparations of water-soluble reactive dyestuffs containing pyridine derivatives of the formula ##STR1## or salts of, in which the substituents have the meanings given in the description, are highly suitable for the dyeing of cellulose materials.
Claims11
Preparations of water-soluble reactive dyestuffs, characterised in that they contain pyridine derivatives of the formula ##STR10## in which n, m are 0, 1 or 2 and n+m is 1-3
- p is 0 or 1
- R is C.sub.1 -C.sub.4 -alkyl or salts thereof.
Dependencies are inferred from the claim text.