Patent · US Expired

Pyridone dyes

US5719288A · kind A · utility

103Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 1996
Grant dateFeb 17, 1998
Priority date
Expiry dateJun 14, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B23/04
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Pyridone dyes of the formula ##STR1## where X is nitrogen or C--CN, R.sup.1 and R.sup.2 are each substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.4 -alkenyl or substituted or unsubstituted phenyl, or R.sup.1 and R.sup.2 together with the nitrogen atom joining them together are a heterocyclic radical, R.sup.3 is hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.4 -C.sub.7 -cylcoalkyl, benzyl, substituted or unsubstituted phenyl, substituted or unsubstituted furanyl or substituted or unsubstituted thienyl, R.sup.4 is hydrogen, C.sub.1 -C.sub.4 -alkyl or substituted or unsubstituted phenyl, R.sup.5 is cyano, carbamoyl, mono- or di(C.sub.1 -C.sub.8 -alkyl)carbamoyl, carboxyl, C.sub.1 -C.sub.8 -alkoxycarbonyl or benzimidazolyl, and R.sup.6 is substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or substituted or unsubstituted phenyl, are useful for dyeing or printing textile materials.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.