(19)

(11)

EP 4 526 255 A1

(12)

(43) Date of publication: 26.03.2025 Bulletin 2025/13 (21) Application number: 23808246.5 (22) Date of filing: 17.05.2023

(51) International Patent Classification (IPC):  C01F 11/02(2006.01) C01B 17/50(2006.01) C01F 11/48(2006.01) C01B 32/50(2017.01) C07C 51/02(2006.01) (52) Cooperative Patent Classification (CPC): C01B 32/50; C01B 17/50; C01F 11/02; C07C 51/41; C01F 11/46; C01D 1/20; C01F 11/24; C01F 5/42; C01F 5/02   C-Sets: C07C 51/41, C07C 53/02; C07C 51/41, C07C 53/08; C07C 51/41, C07C 53/122; (86) International application number: PCT/US2023/022544 (87) International publication number: WO 2023/225089 (23.11.2023 Gazette 2023/47)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 17.05.2022 US 202263342870 P 25.08.2022 US 202263400883 P (71) Applicant: Innovator Energy Llc Houston, TX 77004 (US)	(72) Inventor: NOVEK, Ethan Houston, TX 77004 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)