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(11)

EP 4 051 827 A1

(12)

(43) Date of publication: 07.09.2022 Bulletin 2022/36 (21) Application number: 20883571.0 (22) Date of filing: 22.05.2020

(51) International Patent Classification (IPC):  C25B 1/00(2021.01) C25B 9/17(2021.01) C25B 1/30(2006.01) (52) Cooperative Patent Classification (CPC): C25B 1/26; C25B 9/17; C25B 11/02; C25B 15/08 (86) International application number: PCT/US2020/034376 (87) International publication number: WO 2021/086446 (06.05.2021 Gazette 2021/18)

(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: 31.10.2019 US 201916670852 (71) Applicant: HCI Cleaning Products LLC d/b/a Force of Nature Westford MA 01886 (US)	(72) Inventors: MARCINKOWSKI, Stanley Westford, MA 01886 (US) OWENS, David, Jr. Westford, MA 01886 (US) SNAITH, David, Bryant Westford, MA 01886 (US) WANG, Boqing Chiba, 270-1166 (JP) SHIKANAI, Atsushi Kamagaya, Chiba, 273- 0115 (JP) (74) Representative: Herrero & Asociados, S.L.  Cedaceros, 1 28014 Madrid 28014 Madrid (ES)