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(11)

EP 4 499 780 A1

(12)

(43) Date of publication: 05.02.2025 Bulletin 2025/06 (21) Application number: 23719951.8 (22) Date of filing: 23.03.2023

(51) International Patent Classification (IPC):  C10C 3/00(2006.01) D01F 9/145(2006.01) (52) Cooperative Patent Classification (CPC): C10C 3/005; C10C 3/002; D01F 9/145 (86) International application number: PCT/US2023/016096 (87) International publication number: WO 2023/192103 (05.10.2023 Gazette 2023/40)

(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: 28.03.2022 US 202263324248 P (71) Applicant: ExxonMobil Technology and Engineering Company Spring, TX 77389 (US)	(72) Inventors: PERKINS, David L. Wind Gap, Pennsylvania 18091 (US) SMITH, Stuart E. Easton, Pennsylvania 18045 (US) PATEL, Nevil Monmouth Junction, New Jersey 08852 (US) CHASE, Clarence E. Bensalem, Pennsylvania 19020 (US) AFEWORKI, Mobae Phillipsburg, New Jersey 08865 (US) (74) Representative: ExxonMobil Petroleum & Chemical BV  IP Law Europe Hermeslaan 2 1831 Machelen 1831 Machelen (BE)