(19)

(11)

EP 3 867 336 A1

(12)

(43) Date of publication: 25.08.2021 Bulletin 2021/34 (21) Application number: 19824170.5 (22) Date of filing: 03.12.2019

(51) International Patent Classification (IPC):  C10G 31/08(2006.01) C10G 32/02(2006.01) C10G 27/12(2006.01) C10G 33/04(2006.01) (86) International application number: PCT/US2019/064105 (87) International publication number: WO 2020/117724 (11.06.2020 Gazette 2020/24)

(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 Designated Validation States: KH MA MD TN (30) Priority: 03.12.2018 US 201862774625 P (71) Applicant: Ecolab USA Inc. St. Paul, MN 55102 (US)

(72) Inventors: DAVIDSON, Jillian J. Saint Paul, Minnesota 55102 (US) LINDEMUTH, Paul M. Saint Paul, Minnesota 55102 (US) RYTHER, Robert J. Saint Paul, Minnesota 55102 (US) LEEDLE, Christian Saint Paul, Minnesota 55102 (US) GARCIA, Juan M., III Saint Paul, Minnesota 55102 (US) (74) Representative: Godemeyer Blum Lenze Patentanwälte Partnerschaft mbB - werkpatent  An den Gärten 7 51491 Overath 51491 Overath (DE)