Patent · US Expired

Azo dyes

US5710258A · kind A · utility

1Cited by
6References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 5, 1996
Grant dateJan 20, 1998
Priority date
Expiry dateFeb 5, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C309/76
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to compounds of formula ##STR1## The compounds of formula (1) are suitable as dye for dyeing or printing hydroxyl group-containing or nitrogen-containing fibre materials and give dyeings of prints having good allround fastness properties.

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