(19)

(11)

EP 1 865 822 A1

(12)

(43) Date of publication: 19.12.2007 Bulletin 2007/51 (21) Application number: 05729993.5 (22) Date of filing: 04.04.2005

(51) International Patent Classification (IPC):  A47L 13/59(2006.01) A47L 13/60(2006.01) (86) International application number: PCT/EP2005/003519 (87) International publication number: WO 2006/105803 (12.10.2006 Gazette 2006/41)

(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) Inventors: KRESSE, Franz 40723 Hilden (DE) MENZEL, Matthias 40764 Langenfeld (DE) POSSMANN, Mario 40764 Langenfeld (DE) (74) Representative: von Rohr, Hans Wilhelm et al Gesthuysen, von Rohr & Eggert Postfach 10 13 54 45013 Essen 45013 Essen (DE)