US 2004/0020404 A1 · Printing process using specified AZO compounds

Abstract

A process for printing an image on a substrate comprising applying thereto a composition comprising a liquid medium and a compound of Formula (1): T—Q—N═N—L—T Formula (1) wherein: each T independently is an azo group; Q is an optionally substituted, optionally metallised 1,8-dihydroxy-naphthyl group; and L is a divalent organic linker group. Also claimed are compositions and dyes

Claims21

Dependent claims

A process for printing an image on a substrate comprising applying thereto a composition comprising a liquid medium and a compound of Formula (1):

T—Q—N—═N—L—T Formula (1)
wherein:
each T independently is an azo group;
p1 Q is an optionally substituted, optionally metallised 1,8-dihydroxynaphthyl group;
and
L is a divalent organic linker group.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

10/411,327Filed 11 Apr 2003

Priority

GB 0213578.813 Jun 2002

Published

5 Feb 2004

Term ends

Not estimatedThe source records don’t support an estimate.

Classification14 codes

D06P 5/30
Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form: ink jet printing
C09B 33/22
Trisazo or higher polyazo dyes: trisazo dyes of the type A->B->K<-C
C09B 35/40
Trisazo dyes ot the type [IMAGE cpc-sch-C09B-1018.gif]: the component K being a dihydroxy or polyhydroxy compound
C09B 35/52
Tetrazo dyes: of the type [IMAGE cpc-sch-C09B-1019.gif]

Printing process using specified AZO compounds

Life of this patent

Printing process using specified AZO compounds

Life of this patent

Abstract

Claims21