Global Patent Index - EP 0062865 B1

EP 0062865 B1 19850213 - DYEING PROCESS

Title (en)

DYEING PROCESS

Publication

EP 0062865 B1 19850213 (DE)

Application

EP 82102855 A 19820403

Priority

DE 3115069 A 19810414

Abstract (en)

[origin: EP0062865A1] 1. Process for dyeing textile materials consisting of wool and cellulose fibres in one bath and in one step by the exhaustion principle, characterised in that the textile material is treated in the presence of one or more reactive dyestuffs, each having a hydrolysis constant of at least 0.8 x 10-**2 min -1 (hydrolysis constant at pH 11 and 40 degrees C) and in the presence of one or more neutral salts at a pH value falling slowly from pH 9-11 to pH 5-6 and at a simultaneously slowly increasing temperature.

IPC 1-7

D06P 3/14; D06P 3/852; D06P 3/66

IPC 8 full level

D06P 3/14 (2006.01); D06P 3/66 (2006.01); D06P 3/82 (2006.01); D06P 3/852 (2006.01)

CPC (source: EP)

D06P 3/148 (2013.01); D06P 3/66 (2013.01); D06P 3/8219 (2013.01)

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0062865 A1 19821020; EP 0062865 B1 19850213; DE 3115069 A1 19821104; DE 3262279 D1 19850328

DOCDB simple family (application)

EP 82102855 A 19820403; DE 3115069 A 19810414; DE 3262279 T 19820403