Anthraquinone reactive dyestuffs
AssigneeBayer Aktiengesellschaft
InventorsWolfgang Harms, Horst Jager, Klaus von Oertzen, Klaus Wunderlich
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Abstract
Dyestuffs of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, m, n, p and X have the meaning given in the description, and their use for dyeing and printing materials containing hydroxyl groups or amide groups, such as textile fibres, filaments and woven fabrics of wool, silk or synthetic polyamide or polyurethane fibres, and for dyeing and printing natural or regenerated cellulose in dyeings and prints which are fast to washing. Blue dyeings and prints which are fast to light and wet processing are obtained.
Claims5
Dyestuffs of the formula ##STR70## wherein R.sub.1 =C.sub.1 -C.sub.4 -alkyl or halogen,
- R.sub.2 =H or C.sub.1 -C.sub.4 -alkyl,
- R.sub.3 and R.sub.4 =H, C.sub.1 -C.sub.4 -alkyl or halogen,
- m, n and p=0 or 1 and
- X=NH.sub.2.
Dyestuffs of the formula ##STR71## wherein R.sub.5, R.sub.6 and R.sub.7 =H, CH.sub.3 or C.sub.2 H.sub.5, and a sulphonic acid group optionally present in the part of the anthraquinone system labelled A is in the 5-, 6-, 7- or 8-position.
Dependencies are inferred from the claim text.