(19)

(11)

EP 4 532 641 A1

(12)

(43) Date of publication: 09.04.2025 Bulletin 2025/15 (21) Application number: 23730873.9 (22) Date of filing: 31.05.2023

(51) International Patent Classification (IPC):  C10L 1/185(2006.01) C10L 1/224(2006.01) C10L 1/238(2006.01) C10L 1/19(2006.01) C10L 1/197(2006.01) C10L 1/236(2006.01) C10L 1/16(2006.01) (52) Cooperative Patent Classification (CPC): C10L 1/1616; C10L 1/19; C10L 1/224; C10L 1/2364; C10L 1/1852; C10L 1/238; C10L 2200/0446; C10L 2200/0469; C10L 2200/0476; C10L 1/1641; C10L 1/1973; C10L 1/1608   C-Sets: C10L 1/1641, C10L 1/198; (86) International application number: PCT/GB2023/051433 (87) International publication number: WO 2023/233152 (07.12.2023 Gazette 2023/49)

(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: 01.06.2022 US 202263347723 P 22.08.2022 GB 202212201 (71) Applicant: Innospec Fuel Specialties LLC Englewood, CO 80112 (US)	(72) Inventor: BELLY, Alexander, John Wilmington, Delaware 19808 (US) (74) Representative: Appleyard Lees IP LLP  15 Clare Road Halifax HX1 2HY Halifax HX1 2HY (GB)