(19)

(11)

EP 4 337 611 A1

(12)

(43) Date of publication: 20.03.2024 Bulletin 2024/12 (21) Application number: 22808407.5 (22) Date of filing: 13.05.2022

(51) International Patent Classification (IPC):  C01F 11/18(2006.01) C01F 5/24(2006.01) (52) Cooperative Patent Classification (CPC): C01F 11/48; C01F 11/464; C01F 11/10; C01D 5/14; C01D 1/04; C01F 11/02; C01F 5/42; C01F 5/40 (86) International application number: PCT/US2022/029198 (87) International publication number: WO 2022/241219 (17.11.2022 Gazette 2022/46)

(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: 13.05.2021 US 202163188275 P 01.02.2022 US 202217590483 29.04.2022 US 202217732808 (71) Applicant: Innovator Energy Llc Houston, TX 77004 (US)	(72) Inventor: NOVEK, Ethan J. Houston, Texas 77004 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)