(19)

(11)

EP 4 146 036 A1

(12)

(43) Date of publication: 15.03.2023 Bulletin 2023/11 (21) Application number: 21729932.0 (22) Date of filing: 05.05.2021

(51) International Patent Classification (IPC):  A44C 11/00(2006.01) A44C 5/02(2006.01) (52) Cooperative Patent Classification (CPC): A44C 11/007; A44C 5/022 (86) International application number: PCT/IB2021/053795 (87) International publication number: WO 2021/224821 (11.11.2021 Gazette 2021/45)

(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: 06.05.2020 IT 202000010129 (71) Applicants: Troisi, Giuseppe 00124 Roma (IT) Chua, Chin Gelugor Penang 11700 (MY)	(72) Inventors: ZULUAGA ESCOBAR, Andres Mauricio 10034 Chivasso (TO) (IT) POUBEL, Gerard Martin 06012 Città di Castello (PG) (IT) (74) Representative: Brunacci, Marco  BRUNACCI & PARTNERS S.r.l. Via Pietro Giardini, 625 41125 Modena (MO) 41125 Modena (MO) (IT)