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US 5,401,277 AGranted
Reactive dyestuffs
AssigneeBayer Aktiengesellschaft
InventorsWolfram Reddig, Karl-Josef Herd
Life of this patent
Estimating the term…
Abstract
Reactive dyestuffs of the formula ##STR1## in which X is ##STR2## and Z is a heterocyclic reactive group and the remaining groups have the meaning given in the description, are highly suitable for the dyeing and printing of hydroxyl- or amido-containing materials.
Claims9
A process for dyeing or printing hydroxyl- and amido-containing materials, which comprises dyeing or printing said materials with a reactive dyestuff of the formula
- where
- FB is the radical of a dyestuff from the mono- or polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide series,
- B and B.sup.1, independently of one another, are a direct bond or a bridging member on a ring C atom of an aromatic-carbocyclic or on a ring C atom or ring N atom of an aromatic-heterocyclic ring in FB,
- X is ##STR351## Z is a heterocyclic fibre-reactive radical and R and R.sup.1, independently of one another, are H, substituted or unsubstituted C.sub.1 -C.sub.6 -alkyl.
1 more element
Dependencies are inferred from the claim text.