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EP 3 022 280 A1

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(43) Date of publication: 25.05.2016 Bulletin 2016/21 (21) Application number: 13739990.3 (22) Date of filing: 19.07.2013

(51) International Patent Classification (IPC):  C11D 7/06(2006.01) C11D 7/26(2006.01) C11D 7/12(2006.01) (86) International application number: PCT/EP2013/065351 (87) International publication number: WO 2015/007347 (22.01.2015 Gazette 2015/03)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR Designated Extension States: BA ME (71) Applicant: Ecolab USA Inc. St. Paul, Minnesota 55102-1390 (US)	(72) Inventors: STINGL, Carola 40597 Düsseldorf (DE) PATHICHERIL, Beana 40211 Düsseldorf (DE) NIEBUR, Sebastian 41068 Mönchengladbach (DE) GERET, Laurence 41468 Neuss (DE) (74) Representative: Michalski Hüttermann & Partner Patentanwälte mbB  Speditionstraße 21 40221 Düsseldorf 40221 Düsseldorf (DE)