Patent · US Expired

Fibre-reactive azo dyes containing a monofluororotriazine group

US4906739A · kind A · utility

3Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 15, 1989
Grant dateMar 6, 1990
Priority date
Expiry dateJun 15, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B62/08
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A fibre-reactive azo dyestuff of the formula ##STR1## in which X is alkyl or alkoxy with 1 to 4 carbon atoms, carboxyl or halogen, n is 1, 2 or 3, m is 0 or 1, p is 0 or 1 and q is 0 or 1 and the benzene or naphthalene rings A, B and B' can contain further substituents in addition to SO.sub.3 H groups. The dyestuffs of the invention are suitable inter alia, for dyeing and printing silk, leather, wool, high molecular weight polyamide fibres and high molecular weight polyurethanes, but especially cellulose-containing materials having a fibrous structure.

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