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US 4,604,459 AGranted
Triphendioxazine reactive dyestuffs
AssigneeBayer Aktiengesellschaft
InventorHorst Jager
Life of this patent
Estimating the term…
Abstract
Dyestuffs of the formula ##STR1## wherein R=H or optionally substituted alkyl, in particular optionally substituted C.sub.1 -C.sub.4 -alkyl, R.sub.1 =H or substituent, T.sub.1, T.sub.2 =H, Cl, Br, optionally substituted C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, phenyl or phenoxy, Z=optionally substituted amino group, n=0, 1 or 2, are highly suitable for dyeing and printing hydroxyl- and amido-containing materials and produce light- and wet-fast blue dyeings and prints.
Claims3
A dyestuff of the formula ##STR45## wherein R=H or C.sub.1 -C.sub.4 -alkyl,
- R.sub.1 =H, CH.sub.3, C.sub.2 H.sub.5, Cl, OCH.sub.3, OC.sub.2 H.sub.5 or COOH, T.sub.1, T.sub.2 =H, Cl, Br,
- C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, phenyl or phenoxy,
- Z=optionally substituted amino group,
- n=0, 1 or 2.
1 more element
Dependencies are inferred from the claim text.