Cholorotriazine dyes with two azo chromophores exhibiting further reactive groups
US5200511A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1992 |
| Grant date | Apr 6, 1993 |
| Priority date | — |
| Expiry date | Mar 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.