EP 0913515 A1 19990506 - Process of bleaching fabrics
Title (en)
Process of bleaching fabrics
Title (de)
Verfahren zum Bleichen von Gewebe
Title (fr)
Procédé de blanchiment des tissus
Publication
Application
Priority
EP 97870173 A 19971031
Abstract (en)
The present invention relates to the bleaching of fabrics with a liquid acidic aqueous persulfate-containing composition. More particularly, the present invention relates to a process of bleaching fabrics which comprises the steps of: first contacting said fabrics with an alkaline solution having a pH above 7, optionally rinsing with water then contacting said fabrics with an acidic liquid aqueous composition having a pH below 7 and comprising a persulfate salt, in its neat or diluted form, and subsequently rinsing with water. Excellent bleaching and overall stain removal performance are delivered to the soiled fabrics so bleached while being safe to both the fabrics perse and colors.
IPC 1-7
IPC 8 full level
CPC (source: EP)
D06L 4/12 (2016.12)
Citation (search report)
- [A] DE 4427662 A1 19950803 - PEROXID CHEMIE GMBH [DE]
- [A] EP 0206959 A2 19861230 - ATOCHEM [FR]
- [AD] US 3822114 A 19740702 - MONTGOMERY R
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE
DOCDB simple family (publication)
EP 0913515 A1 19990506; AU 1377199 A 19990524; JP 2001521998 A 20011113; MA 24688 A1 19990701; WO 9923294 A1 19990514
DOCDB simple family (application)
EP 97870173 A 19971031; AU 1377199 A 19981102; JP 2000519140 A 19981102; MA 25322 A 19981030; US 9823385 W 19981102