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(11)

EP 3 087 223 A1

(12)

(43) Date of publication: 02.11.2016 Bulletin 2016/44 (21) Application number: 14873734.9 (22) Date of filing: 18.12.2014

(51) International Patent Classification (IPC):  D21H 21/16(2006.01) D21H 17/67(2006.01) D21H 17/28(2006.01) (86) International application number: PCT/US2014/071139 (87) International publication number: WO 2015/100125 (02.07.2015 Gazette 2015/26)

(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 (30) Priority: 25.12.2013 CN 201310728543 (71) Applicant: Ecolab USA Inc. St. Paul, Minnesota 55102 (US)	(72) Inventors: CHEN, Zhi Shanghai 200233 (CN) SHEN, Jian Kun Shanghai 201208 (CN) HOU, Kun Shanghai 201206 (CN) (74) Representative: Godemeyer Blum Lenze Patentanwälte Partnerschaft mbB - werkpatent  An den Gärten 7 51491 Overath 51491 Overath (DE)