(19)

(11)

EP 4 466 224 A1

(12)

(43) Date of publication: 27.11.2024 Bulletin 2024/48 (21) Application number: 23704612.3 (22) Date of filing: 06.01.2023

(51) International Patent Classification (IPC):  C01B 39/48(2006.01) B01J 35/00(2024.01) B01J 29/70(2006.01) (52) Cooperative Patent Classification (CPC): C01B 39/48; B01J 29/70; B01J 2229/42; C01B 39/026; B01J 35/60 (86) International application number: PCT/US2023/060189 (87) International publication number: WO 2023/141367 (27.07.2023 Gazette 2023/30)

(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: 21.01.2022 US 202263301705 P (71) Applicant: ExxonMobil Technology and Engineering Company Spring, TX 77389 (US)	(72) Inventor: PHAM, Trong D. Flemington, NJ 08822 (US) (74) Representative: ExxonMobil Chemical Europe LLC  IP Law Europe Hermeslaan 2 1831 Machelen 1831 Machelen (BE)