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(11)

EP 4 367 068 A1

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(43) Date of publication: 15.05.2024 Bulletin 2024/20 (21) Application number: 22748608.1 (22) Date of filing: 06.07.2022

(51) International Patent Classification (IPC):  C02F 1/461(2023.01) C02F 101/20(2006.01) C02F 101/12(2006.01) C02F 1/469(2023.01) C02F 101/22(2006.01) (52) Cooperative Patent Classification (CPC): C02F 1/46109; C02F 1/4691; C02F 2001/46133; C02F 2001/46157; C02F 2101/22; C02F 2101/20; C02F 2101/206; C02F 2101/12 (86) International application number: PCT/US2022/036177 (87) International publication number: WO 2023/283215 (12.01.2023 Gazette 2023/02)

(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: 07.07.2021 US 202117369346 (71) Applicant: Powertech Water Inc. Lexington, KY 40508 (US)	(72) Inventors: BOEHME, Lindsay Iowa City, Iowa 53346 (US) LIPPERT, Cameron Lexington, Kentucky 40513 (US) LANDON, James Lexington, Kentucky 40517 (US) RASSOOLKHANI, Alan Lexington, Kentucky 40515 (US) RENTSCHLER, Jeffrey Lexington, Kentucky 40508 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)