Global Patent Index - EP 0222696 B1

EP 0222696 B1 19900523 - PROCESS FOR THE POST-TREATMENT OF CELLULOSIC MATERIAL DYED WITH DYESTUFFS WHICH CONTAIN SULFONIC GROUPS

Title (en)

PROCESS FOR THE POST-TREATMENT OF CELLULOSIC MATERIAL DYED WITH DYESTUFFS WHICH CONTAIN SULFONIC GROUPS

Publication

EP 0222696 B1 19900523 (DE)

Application

EP 86810445 A 19861008

Priority

CH 441985 A 19851014

Abstract (en)

[origin: US4826503A] The invention relates to a process for aftertreating cellulosic material which has been dyed with reactive or direct dyes and subsequently treated in an acid bath. The aftertreatment with a solution of an alkali metal salt or alkaline earth metal salt enhances the wetfastness properties and the tear resistance of the cellulosic material.

IPC 1-7

D06P 3/60; D06P 5/02

IPC 8 full level

D06P 3/62 (2006.01); D06P 3/66 (2006.01); D06P 5/10 (2006.01)

CPC (source: EP US)

D06P 3/62 (2013.01 - EP US); D06P 3/66 (2013.01 - EP US); D06P 5/10 (2013.01 - EP US); Y10S 8/918 (2013.01 - US)

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0222696 A1 19870520; EP 0222696 B1 19900523; DE 3671487 D1 19900628; JP S6290384 A 19870424; US 4826503 A 19890502

DOCDB simple family (application)

EP 86810445 A 19861008; DE 3671487 T 19861008; JP 24219386 A 19861014; US 91734886 A 19861009