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EP 4 798 646 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24804639.3 (22) Date of filing: 23.10.2024

(51) International Patent Classification (IPC):  C08G 69/00(2006.01) C08G 69/34(2006.01) C08G 69/44(2006.01) C08G 69/26(2006.01) C08G 69/36(2006.01) (52) Cooperative Patent Classification (CPC): C08G 69/00; C08G 69/26; C08G 69/34; C08G 69/44; C08G 69/36 (86) International application number: PCT/US2024/052480 (87) International publication number: WO 2025/090552 (01.05.2025 Gazette 2025/18)

(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: 24.10.2023 US 202363592763 P (71) Applicant: Lubrizol Advanced Materials, Inc. Cleveland, OH 44141-3247 (US)	(72) Inventors: ERDODI, Gabor Cleveland, Ohio 44141-3247 (US) KRIENEN, Alec Cleveland, Ohio 44141-3247 (US) GARAY-TOVAR, Milena Maria Cleveland, Ohio 44141-3247 (US) (74) Representative: Evans, Sophie Elizabeth et al Kilburn & Strode LLP Lacon London 84 Theobalds Road London WC1X 8NL London WC1X 8NL (GB)