Dye mixtures containing azo dyes having a coupling component from the diaminopyridine series
US5403363A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1993 |
| Grant date | Apr 4, 1995 |
| Priority date | — |
| Expiry date | Nov 30, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/922
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Dye mixtures comprising at least six isochromatic dyes of the formula ##STR1## where D is the radical of a diazo component of the aniline, aminothiophene, aminothiazole, aminoisothiazole or aminobenzisothiazole series and one of the radicals X.sup.1 and X.sup.2 is amino and the other is a radical of the formula ##STR2## where L is unsubstituted or substituted C.sub.2 -C.sub.8 -alkylene PA1 R.sup.1 is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl and PA1 R.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl, benzyl, phenyl, or C.sub.1 -C.sub.8 -alkanoyl, and the use thereof for dyeing or printing textile materials, and dye mixtures comprising thienylazopyridine dyes and anthraquinone dyes and the use thereof for dyeing or printing textile materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.