Title (en)

PEROXYGEN LAUNDRY BLEACH

Publication

EP 0523169 A4 19930203 (EN)

Application

EP 91908049 A 19910403

Priority

US 50580090 A 19900406

Abstract (en)

[origin: WO9115423A1] The invention provides a process to coat dry particles comprising sodium carbonate perhydrate to provide a stable dry particulate solid which releases hydrogen peroxide when contacted with an aqueous solution. The coated particles are readily soluble in water and/or stable when formulated into a solid detergent.

IPC 1-7

C01B 15/10

IPC 8 full level

C01B 15/10 (2006.01); C11D 3/39 (2006.01); C11D 7/54 (2006.01); C11D 17/00 (2006.01); C11D 17/06 (2006.01); D06L 3/02 (2006.01)

CPC (source: EP)

C01B 15/106 (2013.01); C11D 3/3942 (2013.01); C11D 17/0039 (2013.01)

Citation (search report)

• [A] FR 2379474 A1 19780901 - DEGUSSA [DE]
• [A] GB 174891 A 19220126 - ADOLF WELTER
• [A] CHEMICAL ABSTRACTS, vol. 99, no. 8, 22 August 1983, Columbus, Ohio, US; abstract no. 55833y, page 112 ;column L ;
• [A] DATABASE WPIL Section Ch, Week 8450, Derwent Publications Ltd., London, GB; Class D25, AN 84-309801 & JP-A-59 194 000 (KAO CO.) 2 November 1984
• See references of WO 9115423A1

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

WO 9115423 A1 19911017; AU 7677291 A 19911030; CA 2079915 A1 19911007; CA 2079915 C 19961008; EP 0523169 A1 19930120; EP 0523169 A4 19930203; JP H05503729 A 19930617; JP H0662998 B2 19940817; KR 960008939 B1 19960710; TR 25762 A 19930901

DOCDB simple family (application)

US 9102308 W 19910403; AU 7677291 A 19910403; CA 2079915 A 19910403; EP 91908049 A 19910403; JP 50764791 A 19910403; KR 920702440 A 19921005; TR 34091 A 19910408