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EP 4 240 541 A1

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(43) Date of publication: 13.09.2023 Bulletin 2023/37 (21) Application number: 21713769.4 (22) Date of filing: 24.03.2021

(51) International Patent Classification (IPC):  B09B 3/00(2022.01) C05F 17/05(2020.01) C05F 9/02(2006.01) C05F 17/986(2020.01) B09B 5/00(2006.01) A01K 67/033(2006.01) C05F 17/907(2020.01) (52) Cooperative Patent Classification (CPC): C05F 17/05; C05F 17/907; C05F 17/986; A01K 67/033; Y02P 20/145; Y02W 30/40; B09B 3/60; B09B 2101/70 (86) International application number: PCT/IB2021/052435 (87) International publication number: WO 2022/096940 (12.05.2022 Gazette 2022/19)

(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: 09.11.2020 IT 202000026636 (71) Applicant: Isgreen S.r.l. Start-Up costituita a norma Dell'Art. 4 comma 10 bis del decreto Legge 24 Gennaio 2015 n.3 88046 Lamezia Terme (CZ) (IT)

(72) Inventors: LIOTTI, Jacopo 87012 Castrovillari (CS) (IT) GUZZO, Francesco 88046 Lamezia Terme (CZ) (IT) ALLEGRO, Pasqualino 88046 Lamezia Terme (CZ) (IT) MAINIERI, Davide 87012 Castrovillari (CS) (IT) (74) Representative: Dondi, Silvia  Bugnion S.p.A. Largo Michele Novaro, 1/A 43121 Parma 43121 Parma (IT)