Patent · US Expired

Cholorotriazine dyes with two azo chromophores exhibiting further reactive groups

US5200511A · kind A · utility

18Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 1992
Grant dateApr 6, 1993
Priority date
Expiry dateMar 30, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B62/4415
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Reactive dyes of the formula ##STR1## where m is 0 or 1, PA1 A.sup.1 and A.sup.2 are different and each is a fiber-reactive radical or else, in the case of A.sup.2, hydrogen, PA1 D.sup.1 and D.sup.2 are substituted or unsubstituted phenylene, substituted or unsubstituted phenylenemethyl, substituted or unsubstituted naphthylene or substituted or unsubstituted naphthylenemethyl, PA1 K.sup.1 and K.sup.2 are each the radical of a coupling component of the aminonaphthalenesulfonic acid series and PA1 L is a bridge member, are useful for dyeing and printing hydroxyl- or nitrogen-containing substrates.

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