(19)

(11)

EP 4 304 417 A1

(12)

(43) Date of publication: 17.01.2024 Bulletin 2024/03 (21) Application number: 21723018.4 (22) Date of filing: 09.03.2021

(51) International Patent Classification (IPC):  A47C 7/18(2006.01) A47C 7/24(2006.01) (52) Cooperative Patent Classification (CPC): A47C 7/24; A47C 7/18 (86) International application number: PCT/IT2021/000009 (87) International publication number: WO 2022/190140 (15.09.2022 Gazette 2022/37)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: OSCA S.r.l. 40121 Bologna (IT)	(72) Inventor: CASSANI, Luca 31030 Castelcucco (IT) (74) Representative: Modiano, Micaela Nadia et al Modiano & Partners Via Meravigli, 16 20123 Milano 20123 Milano (IT)