Patent · US Expired

Dye mixtures containing azo dyes having a coupling component from the diaminopyridine series

US5403363A · kind A · utility

14Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 1993
Grant dateApr 4, 1995
Priority date
Expiry dateNov 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.