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(11)

EP 4 185 340 A1

(12)

(43) Date of publication: 31.05.2023 Bulletin 2023/22 (21) Application number: 21755821.2 (22) Date of filing: 22.07.2021

(51) International Patent Classification (IPC):  A61L 9/00(2006.01) (52) Cooperative Patent Classification (CPC): A61L 2/088; A61L 9/205; A61L 2202/25; A61L 2/0076 (86) International application number: PCT/IB2021/056631 (87) International publication number: WO 2022/018678 (27.01.2022 Gazette 2022/04)

(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 (30) Priority: 24.07.2020 IT 202000017995 24.07.2020 IT 202000018004 24.07.2020 IT 202000018007 (71) Applicant: Colorobbia Consulting S.R.L. 50059 Vinci (Firenze) (IT)	(72) Inventors: BALDI, Giovanni 50056 Montelupo Fiorentino (Firenze) (IT) NICCOLAI, Laura 50056 Montelupo Fiorentino (Firenze) (IT) BITOSSI, Marco 50056 Montelupo Fiorentino (Firenze) (IT) LORENZI, Giada 51034 Serravalle Pistoiese (Pistoia) (IT) (74) Representative: Biggi, Cristina  Bugnion S.p.A. Viale Lancetti 17 20158 Milano 20158 Milano (IT)