Patent · US Expired

Bisazo compounds containing anthranilic acid and thiazole moieties

US4694075A · kind A · utility

4Cited by
2References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 21, 1986
Grant dateSep 15, 1987
Priority date
Expiry dateJan 21, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B44/02
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The compounds of the formula ##STR1## where Y is hydrogen, chlorine, bromine or nitro, Z is hydrogen, chlorine, bromine, a sulfonic ester group or unsubstituted or substituted sulfamyl, X is --O-- or ##STR2## R is alkylene which may or may not be interrupted by oxygen or ##STR3## m is 0 or 1, p is 1 or 2, R.sup.1 and R.sup.2 independently of one another are each hydrogen, unsubstituted or substituted alkyl, alkenyl, cycloalkyl, aralkyl, or aryl, or R.sup.1 and R.sup.2 together with the nitrogen form a heterocyclic structure, R.sup.3 is hydrogen or unsubstituted or substituted alkyl, R.sup.6 and R.sup.7 independently of one another are each hydrogen, unsubstituted or substituted alkyl, alkoxy or acylamino, K is a radical of a coupling component, A.crclbar. is an anion, R.sup.4 is unsubtituted or substituted alkyl and R.sup.5 is hydrogen or C.sub.1 -C.sub.4 -alkyl, and the radical ##STR4## may furthermore be an unsubstituted or substituted piperazine radical, are useful for dyeing acid-modified fibers, leather and in particular paper.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.