EP 0619366 A1 19941012 - Lavatory blocks containing active oxygen.

Title (en)

Lavatory blocks containing active oxygen.

Title (de)

Aktivsauerstoff enthaltende Toilettenblöcke.

Title (fr)

Blocs pour toilettes contenant de l'oxygène actif.

Publication

EP 0619366 A1 19941012 (EN)

Application

EP 93200961 A 19930405

Priority

EP 93200961 A 19930405

Abstract (en)

The present invention is a solid lavatory cleansing block comprising hydrogen peroxide or a source thereof, an acid and a surfactant. Said lavatory cleansing blocks are environmentally compatible, provide improved cleansing and disinfecting as well as limescale, odour and stain removal. Additionally, the blocks of the present invention prevent the formation of limescale. Also disclosed is the possible incorporation of an enzyme into said lavatory cleansing block.

IPC 1-7

C11D 17/00; C11D 3/39; C11D 3/20

IPC 8 full level

C11D 3/395 (2006.01); C11D 3/20 (2006.01); C11D 3/39 (2006.01); C11D 17/00 (2006.01); C11D 1/14 (2006.01); C11D 1/22 (2006.01); C11D 1/29 (2006.01)

CPC (source: EP)

C11D 3/2082 (2013.01); C11D 3/2086 (2013.01); C11D 3/3907 (2013.01); C11D 3/3942 (2013.01); C11D 3/3945 (2013.01); C11D 17/0056 (2013.01); C11D 1/146 (2013.01); C11D 1/22 (2013.01); C11D 1/29 (2013.01)

Citation (search report)

[X] EP 0014979 A1 19800903 - HENKEL KGAA [DE]
[Y] GB 1257813 A 19711222
[XD] EP 0171494 A1 19860219 - WERNER & MERTZ GMBH [DE]
[XD] EP 0234626 A1 19870902 - UNILEVER NV [NL], et al
[A] EP 0184416 A2 19860611 - JEYES GROUP LTD [GB]
[X] DATABASE WPI Week 198641, Derwent World Patents Index; AN 1986-269641
[Y] PATENT ABSTRACTS OF JAPAN vol. 013, no. 575 (C - 667) 19 December 1989 (1989-12-19)
[Y] DATABASE WPI Week 199029, Derwent World Patents Index; AN 1990-219881

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 0619366 A1 19941012; AU 6414694 A 19941024; CA 2159821 A1 19941013; JP H08508769 A 19960917; WO 9423002 A1 19941013

DOCDB simple family (application)

EP 93200961 A 19930405; AU 6414694 A 19940323; CA 2159821 A 19940323; JP 52217894 A 19940323; US 9403163 W 19940323