(19)

(11)

EP 2 043 768 A1

(12)

(43) Date of publication: 08.04.2009 Bulletin 2009/15 (21) Application number: 06787094.9 (22) Date of filing: 14.07.2006

(51) International Patent Classification (IPC):  B01F 1/00(2006.01) A47L 15/44(2006.01) C11D 17/00(2006.01) B01F 3/12(2006.01) A47K 5/08(2006.01) (86) International application number: PCT/US2006/027143 (87) International publication number: WO 2008/008062 (17.01.2008 Gazette 2008/03)

(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 LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (71) Applicant: ECOLAB INC. St. Paul MN 55102-2233 (US)	(72) Inventors: WILLIAMS, Kristine, Jeanette Oak Ridge, NC 27310 (US) BERG, Thomas, Peter Greensboro, NC 27410 (US) RIGLEY, Karen, O. Greensboro, NC 27410 (US) (74) Representative: Polypatent  An den Gärten 7 51491 Overath 51491 Overath (DE)