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EP 4 798 643 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24798748.0 (22) Date of filing: 21.10.2024

(51) International Patent Classification (IPC):  C08G 18/08(2006.01) C08G 18/34(2006.01) C08G 18/66(2006.01) C09D 175/08(2006.01) C08G 18/10(2006.01) C08G 18/48(2006.01) C08G 18/75(2006.01) (52) Cooperative Patent Classification (CPC): C08G 18/0823; C08G 18/348; C08G 18/10; C08G 18/4854; C08G 18/6692; C08G 18/755; C09D 175/08   C-Sets: C08G 18/10, C08G 18/325; C08G 18/10, C08G 18/3231; (86) International application number: PCT/EP2024/079639 (87) International publication number: WO 2025/087832 (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: 23.10.2023 IT 202300022158 (71) Applicant: Lamberti SPA 21041 Albizzate (VA) (IT)	(72) Inventors: DE LUCA, Mariuccia 21015 Lonate Pozzolo (VA) (IT) VETRI, Domenico 21013 Gallarate (VA) (IT) RIMOLDI, Fabio 21062 Cadrezzate con Osmate (VA) (IT) PISTOLESI, Leonardo 21100 Varese (IT) CONTI, Dario 20011 Corbetta (MI) (IT) (74) Representative: Giaroni, Paola  LAMBERTI S.p.A. Ufficio Brevetti Via Piave, 18 21041 Albizzate (VA) 21041 Albizzate (VA) (IT)