(19)

(11)

EP 2 398 370 A1

(12)

(43) Date of publication: 28.12.2011 Bulletin 2011/52 (21) Application number: 09779072.9 (22) Date of filing: 18.02.2009

(51) International Patent Classification (IPC):  A47L 13/20(2006.01) D05C 15/04(2006.01) D02G 3/44(2006.01) (86) International application number: PCT/EP2009/051933 (87) International publication number: WO 2010/094328 (26.08.2010 Gazette 2010/34)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR (71) Applicant: Ecolab Inc. St. Paul, MN 55102 (US)	(72) Inventors: LEUCHTEN, Elke 47799 Krefeld (DE) UHL, Stephan 40789 Monheim (DE) (74) Representative: Polypatent  Braunsberger Feld 29 51429 Bergisch Gladbach 51429 Bergisch Gladbach (DE)