(19)

(11)

EP 3 781 297 A2

(12)

(88) Date of publication A3: 28.11.2019 (43) Date of publication: 24.02.2021 Bulletin 2021/08 (21) Application number: 19766346.1 (22) Date of filing: 16.04.2019

(51) International Patent Classification (IPC):  B01J 2/04(2006.01) C04B 35/626(2006.01) B05B 1/34(2006.01) F26B 3/12(2006.01) B05B 1/30(2006.01) (86) International application number: PCT/IB2019/000273 (87) International publication number: WO 2019/202384 (24.10.2019 Gazette 2019/43)

(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: 20.04.2018 IT 201800004768 (71) Applicant: Cassani, Stefano 40026 Imola, Bologna (IT)	(72) Inventor: Cassani, Stefano 40026 Imola, Bologna (IT) (74) Representative: Gianelli, Luca  Studio Legale Gianelli IP Law Firm Via Taglio, 22 41121 Modena 41121 Modena (IT)