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EP 4 816 498 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24829323.5 (22) Date of filing: 10.12.2024

(51) International Patent Classification (IPC):  C10G 9/36(2006.01) C10G 35/04(2006.01) C10G 51/02(2006.01) C10G 5/00(2006.01) C10G 11/18(2006.01) C10G 45/32(2006.01) C10G 69/04(2006.01) C10L 3/10(2006.01) (52) Cooperative Patent Classification (CPC): C10G 11/18; C10G 45/32; C10G 9/36; C10G 2400/06; C10G 2400/08; C10G 35/04; C10G 51/02; C10G 69/04; C10G 2400/02 (86) International application number: PCT/US2024/059307 (87) International publication number: WO 2025/128516 (19.06.2025 Gazette 2025/25)

(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: GE KH MA MD TN (30) Priority: 14.12.2023 IN 202331085308 11.04.2024 US 202418632698 (71) Applicants: Saudi Arabian Oil Company Dhahran 31311 (SA) SABIC Global Technologies B.V. 4612 PX Bergen op Zoom (NL)

(72) Inventors: VUPPULA, Rajitha 4612 PX Bergen op Zoom (NL) GUGGILLA, Vidya Sagar 4612 PX Bergen op Zoom (NL) JUTTU, Gopal Dhahran, 31311 (SA) (74) Representative: Wittmer, Maximilian  Grosse - Schumacher - Knauer - von Hirschhausen Patent- und Rechtsanwälte Nymphenburger Straße 14 80335 München 80335 München (DE)