Global Patent Index - EP 0543779 A1

EP 0543779 A1 19930526 - Process for optical bleaching of hydrophobic textile material with disperse optical brightness in supercritical CO2.

Title (en)

Process for optical bleaching of hydrophobic textile material with disperse optical brightness in supercritical CO2.

Title (de)

Verfahren zum optischen Aufhellen von hydrophobem Textilmaterial mit dispersen optischen Aufhellern in überkritischem CO2.

Title (fr)

Procédé d'azurage optique de matériau textile hydrophobe avec des azurants optiques dispersés dans du CO2 supercritique.

Publication

EP 0543779 A1 19930526 (DE)

Application

EP 92810877 A 19921111

Priority

CH 339091 A 19911120

Abstract (en)

Polyester textile materials can be brightened with disperse optical brighteners in supercritical CO2.

Abstract (de)

Textilmaterialien aus Polyester lassen sich aus überkritischem CO2 mit dispersen optischen Aufhellern aufhellen.

IPC 1-7

D06L 3/12

IPC 8 full level

D06L 3/12 (2006.01); D06L 4/60 (2017.01); D06M 23/10 (2006.01); D06P 3/52 (2006.01); D06P 5/20 (2006.01)

CPC (source: EP US)

D06L 4/60 (2016.12 - EP US); D06M 23/105 (2013.01 - EP US); Y10S 8/922 (2013.01 - US)

Citation (search report)

Designated contracting state (EPC)

BE CH DE ES FR GB IT LI

DOCDB simple family (publication)

EP 0543779 A1 19930526; JP H05247841 A 19930924; US 5269815 A 19931214

DOCDB simple family (application)

EP 92810877 A 19921111; JP 31066492 A 19921120; US 97624392 A 19921113