Disazo compounds having two 4,8 Disulfonaphthyl-2 diazo component radicals and two triazine 1,3,5 triazine rings linked by a piperazinylene radical
US4866163A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 2, 1984 |
| Grant date | Sep 12, 1989 |
| Priority date | — |
| Expiry date | May 2, 2004 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P5/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula ##STR1## wherein each R.sub.1 is independently hydrogen, halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or --NHCOC.sub.1-4 alkyl, each R.sub.2 is H, halo, C.sub.1-4 alkyl or C.sub.1-4 alkoxy, each R.sub.3 is independently halo, hydroxy, C.sub.1-4 alkoxy, --NHOH, amino or an aliphatic, aromatic cycloaliphatic or saturated heterocyclic amino radical, and is divalent aliphatic or aromatic group or, together with the NH radicals to which it is attached, forms a piperazine ring, and the use thereof for dyeing or printing hydroxy group- or nitrogen-containing organic substrates after which the dyed or printed substrate is optionally treated with a cationic fixing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.