(19)

(11)

EP 4 469 524 A1

(12)

(43) Date of publication: 04.12.2024 Bulletin 2024/49 (21) Application number: 23706441.5 (22) Date of filing: 24.01.2023

(51) International Patent Classification (IPC):  C09D 5/00(2006.01) (52) Cooperative Patent Classification (CPC): C09D 5/08; C09D 7/63; C08K 5/0025; C09D 5/00; C09D 183/08; C08G 77/26 (86) International application number: PCT/IB2023/050587 (87) International publication number: WO 2023/139564 (27.07.2023 Gazette 2023/30)

(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: 24.01.2022 IT 202200001106 (71) Applicant: Argochem S.r.l. 24121 Bergamo (IT)	(72) Inventor: COLLEONI, Claudio 24121 BERGAMO (IT) (74) Representative: Croce, Valeria  Jacobacci & Partners S.p.A. Via Senato, 8 20121 Milano 20121 Milano (IT)