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EP 4 816 450 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24809368.4 (22) Date of filing: 20.11.2024

(51) International Patent Classification (IPC):  C08G 73/16(2006.01) C08G 63/91(2006.01) C09D 179/08(2006.01) (52) Cooperative Patent Classification (CPC): C08G 73/16; C09D 179/08; C08G 63/916; H01B 3/306; H01B 3/421 (86) International application number: PCT/EP2024/083002 (87) International publication number: WO 2025/114114 (05.06.2025 Gazette 2025/23)

(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: 27.11.2023 US 202363602707 P 18.12.2023 EP 23217399 (71) Applicants: ELANTAS North America, LLC St. Louis, MO 63147 (US) Elantas Europe Srl 43044 Collechio (PR) (IT)

(72) Inventors: MURRAY, Thomas James 46483 Wesel (DE) ANDREEV, Andrei 46483 Wesel (DE) STEFANINI, Nicola 46483 Wesel (DE) PALLOTTA, Massimo 46483 Wesel (DE) (74) Representative: Altana IP Department  Altana Management Services GmbH Abelstraße 45 46483 Wesel 46483 Wesel (DE)