EP 1098029 A1 20010509 - Method and composition for whitening textiles
Title (en)
Method and composition for whitening textiles
Title (de)
Verfahren und Zusammensetzung zum Weisstönen von Textilien
Title (fr)
Procédé et composition pour le blanchiment des articles textiles
Publication
Application
Priority
US 16349399 P 19991104
Abstract (en)
Disclosed is a system for bleaching greige fabric using a two component reducing solution, wherein the first component of the reducing solution is added to the second component just prior to treatment of the greige fabric. The first component of the reducing solution comprises 0.1 to 0.3 wt % borohydride and the second component of the reducing solution comprises bisulfite in water, wherein there is a stoichiometric excess of the bisulfite relative to the borohydride.
IPC 1-7
IPC 8 full level
D06L 4/30 (2017.01)
CPC (source: EP)
D06L 4/30 (2016.12)
Citation (search report)
- [A] WO 8810334 A1 19881229 - EKA NOBEL AB [SE]
- [A] US 3250587 A 19660510 - GALLAGHER GERALD T, et al
- [A] US 3954652 A 19760504 - SCHMIDT OSWALD
- [XA] DATABASE WPI Section Ch Week 198032, Derwent World Patents Index; Class E34, AN 1980-56092C, XP002160549
- [A] PATENT ABSTRACTS OF JAPAN vol. 1999, no. 03 31 March 1999 (1999-03-31)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1098029 A1 20010509; AU 6413200 A 20010510; CA 2324067 A1 20010504; MX PA00010800 A 20030425
DOCDB simple family (application)
EP 00309523 A 20001027; AU 6413200 A 20001010; CA 2324067 A 20001023; MX PA00010800 A 20001103