Azo dyes having a quaternized heterocyclic diazo component radical and an optionally substituted aryloxyalkyl substituent on the amino group of the coupling component radical
US4289693A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 1, 1976 |
| Grant date | Sep 15, 1981 |
| Priority date | — |
| Expiry date | Dec 1, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B69/001
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Basic dyes free from sulfo groups of the formula ##STR1## in which Q signifies an unsubstituted or substituted phenyl or naphthyl radical, PA0 R.sub.1 and R.sub.2 signify hydrogen, unsubstituted or substituted alkyl, phenyl or cycloalkyl, PA0 R.sub.3 signifies hydrogen, unsubstituted or substituted alkyl or phenyl, PA0 the Z containing group signifies a heterocyclic diazo radical containing a quaternary ammonium group, PA0 R.sub.4 signifies unsubstituted or substituted alkyl, alkenyl, cycloalkyl or alkoxy, PA0 x signifies 1 to 3, PA0 A.crclbar. signifies an anion, and PA0 D signifies an unsubstituted or substituted phenylene or naphthylene radical are useful for dyeing and printing homo- and co-polymers of acrylonitrile and asymmetrical dicyanoethylene and synthetic polyamides and polyesters modified to contain acid groups. The obtained dyeings are level and fast to light and wet treatments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.