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US 4,325,705 AGranted
Anthraquinone reactive dyestuffs
AssigneeBayer Aktiengesellschaft
InventorsWolfgang Harms, Klaus Wunderlish, Klaus von Oertzen
Life of this patent
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Abstract
The abstract isn’t available for this document.
Claims6
A dyestuff of the formula ##STR116## wherein n is 0 or 1,
- m and p are 0 or 1 and m+p=1.
- X is Cl or Br,
- R.sub.1 is H or C.sub.1 -C.sub.4 -alkyl optionally substituted by --OH, --OSO.sub.3 H, --COOH or --SO.sub.3 H,
- R.sub.2 is NH.sub.2 or alkylamino, dialkylamino or aralkylamino which contains at least one SO.sub.3 H, OSO.sub.3 H or COOH group, and
- R.sub.3 is the same as R.sub.2 or is optionally substituted arylamino and
- when n is 0, p is 1 and when n is 1, m is 1.
3 more elements
A dyestuff selected from the group consisting of ##STR118## wherein each of R.sub.1 and R.sub.6 is H or C.sub.1 -C.sub.4 -alkyl.
Dependencies are inferred from the claim text.