(19)

(11)

EP 1 835 836 A1

(12)

(43) Date of publication: 26.09.2007 Bulletin 2007/39 (21) Application number: 05706858.7 (22) Date of filing: 11.01.2005

(51) International Patent Classification (IPC):  A47L 13/20(2006.01) (86) International application number: PCT/EP2005/000169 (87) International publication number: WO 2006/074687 (20.07.2006 Gazette 2006/29)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (71) Applicant: ECOLAB INC. St. Paul, MN 55102-1390 (US)	(72) Inventor: KRESSE, Franz 40723 Hilden (DE) (74) Representative: Gesthuysen, von Rohr & Eggert  Patentanwälte Postfach 10 13 54 45013 Essen 45013 Essen (DE)