Patent · US Expired

N-(hydroxy-sulpho-naphthyamino-triazinyl)-arylene-diamines

US4839468A · kind A · utility

4Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 1984
Grant dateJun 13, 1989
Priority date
Expiry dateNov 13, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B67/0083
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Triazine compounds which in their betaine form correspond to the formula ##STR1## wherein Y denotes hydrogen or the radical of an azo dye-stuff, PA1 R denotes hydrogen or alkyl, PA1 Ar denotes arylene, PA1 Z denotes halogen, hydroxyl, alkoxy, alkyl, aryl or an amino group which may be monosubstituted or disubstituted, PA1 m denotes 0 or 1 and PA1 X.sup.(+) denotes an ammonium group amd whereim PA1 the cyclic and acyclic radicals can carry further substituents, are used for dyeing/coloring natural and synthetic substrates and compositions, in particular paper.

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