Global Patent Index - EP 0601971 B1

EP 0601971 B1 19970312 - Process for trichromic dyeing or printing

Title (en)

Process for trichromic dyeing or printing

Title (de)

Verfahren zum Trichromie-Färben oder -Bedrucken

Title (fr)

Procédé de teinture ou d'impression par trichromie

Publication

EP 0601971 B1 19970312 (DE)

Application

EP 93810813 A 19931124

Priority

CH 371992 A 19921203

Abstract (en)

[origin: EP0601971A1] Process for trichromatic (trichromic) dyeing or printing of natural or synthetic polyamide fibre materials which comprises using at least one blue-dyeing anthraquinone dye of the formula <IMAGE> where R1, R2, R3 and R4 are each independently of the others hydrogen or C1-C6alkyl, the sum of the carbon atoms of the radicals R1, R2, R3 and R4 being 4, 5 or 6 and the sulpho group in the anthraquinone dye of the formula (1) being attached in the designated 6 or 7 position, together with at least one red-dyeing of the formula (2) and at least one of the yellow- or orange-dyeing dyes of the formulae (3), (4) and (5), the dyes of the formulae (2), (3), (4) and (5) having the meanings specified in Claim 1. The process of the invention is suitable for dyeing natural or synthetic polyamide materials from an aqueous liquor or for printing with print pastes.

IPC 1-7

D06P 3/16; D06P 3/24; D06P 3/82

IPC 8 full level

C09B 67/22 (2006.01); D06P 3/16 (2006.01); D06P 3/24 (2006.01); D06P 3/82 (2006.01)

CPC (source: EP US)

D06P 3/16 (2013.01 - EP US); D06P 3/241 (2013.01 - EP US); D06P 3/8209 (2013.01 - EP US); Y10S 8/917 (2013.01 - US); Y10S 8/924 (2013.01 - US)

Designated contracting state (EPC)

BE CH DE ES FR GB IT LI

DOCDB simple family (publication)

EP 0601971 A1 19940615; EP 0601971 B1 19970312; DE 59305745 D1 19970417; ES 2099409 T3 19970516; JP H06212576 A 19940802; US 5399183 A 19950321

DOCDB simple family (application)

EP 93810813 A 19931124; DE 59305745 T 19931124; ES 93810813 T 19931124; JP 29793993 A 19931129; US 15785293 A 19931124