EP 1018874 A4 20000719 - WATER TREATMENT WITH HYDROGEN PEROXIDE AND A POLYQUATERNARY AMMONIUM STABILIZER
Title (en)
WATER TREATMENT WITH HYDROGEN PEROXIDE AND A POLYQUATERNARY AMMONIUM STABILIZER
Title (de)
WASSERBEHANDLUNG MIT WASSERSTOFFPEROXID UND EINEM POLYQUATERNÄREN AMMONIUMSTABILISATOR.
Title (fr)
TRAITEMENT DE L'EAU AVEC DU PEROXYDE D'HYDROGENE ET UN STABILISANT A L'AMMONIUM POLYQUATERNAIRE
Publication
Application
Priority
- US 9607871 W 19960530
- US 47371995 A 19950607
Abstract (en)
[origin: WO9639825A1] A method of treating water by adding hydrogen peroxide and a polyquaternary ammonium compound to the water. The hydrogen peroxide and the polyquaternary ammonium compound are independently added to the water so that the appropriate concentration of each component may be maintained in the water.
IPC 1-7
A01N 33/00; A01N 33/12; A01N 37/52; C02F 1/72; C02F 5/10; C01B 11/00; A01N 59/00; C02F 1/00
IPC 8 full level
A01N 33/04 (2006.01); A01N 33/12 (2006.01); A01N 33/26 (2006.01); A01N 43/20 (2006.01); A01N 59/00 (2006.01); C01B 15/037 (2006.01); C02F 1/50 (2006.01); C02F 1/72 (2006.01)
CPC (source: EP)
A01N 59/00 (2013.01); C01B 15/037 (2013.01); C02F 1/50 (2013.01); C02F 2103/023 (2013.01); C02F 2103/42 (2013.01)
Citation (search report)
- [X] US 5256420 A 19931026 - TSAO FU-PAO [US], et al
- [X] EP 0059978 A1 19820915 - BAYROL CHEM FAB GMBH [DE]
- [Y] DE 3444068 A1 19860605 - HENKEL KGAA [DE]
- See references of WO 9639825A1
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9639825 A1 19961219; AR 002397 A1 19980311; AU 6249996 A 19961230; BR 9612623 A 19990525; CA 2223704 A1 19961219; EP 1018874 A1 20000719; EP 1018874 A4 20000719; JP 2001519706 A 20011023; ZA 964767 B 19970108
DOCDB simple family (application)
US 9607871 W 19960530; AR 10304296 A 19960607; AU 6249996 A 19960530; BR 9612623 A 19960530; CA 2223704 A 19960530; EP 96921228 A 19960530; JP 50079597 A 19960530; ZA 964767 A 19960606