(19)

(11)

EP 4 028 761 A1

(12)

(43) Date of publication: 20.07.2022 Bulletin 2022/29 (21) Application number: 20780343.8 (22) Date of filing: 10.09.2020

(51) International Patent Classification (IPC):  G01N 33/28(2006.01) G01N 33/03(2006.01) G01N 21/64(2006.01) (52) Cooperative Patent Classification (CPC): G01N 33/2835; G01N 33/03; G01N 2021/635; G01N 21/6408; G01N 21/6452; G01N 21/6486; G01N 2021/6419; G01N 2021/6421 (86) International application number: PCT/IB2020/058420 (87) International publication number: WO 2021/048784 (18.03.2021 Gazette 2021/11)

(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: 10.09.2019 PT 2019115773 20.09.2019 EP 19198717 (71) Applicant: Hardlevel - Energias Renováveis, S.A. 4405-516 Serzedo Vng (PT)	(72) Inventors: KARMALI, Salim 4405-516 Serzedo Vng (PT) KARMALI, Karim 4405-516 Serzedo Vng (PT) KARMALI, Amin 1952-007 Lisboa (PT) (74) Representative: do Nascimento Gomes, Rui  J. Pereira da Cruz, S.A. Rua Victor Cordon, 10-A 1249-103 Lisboa 1249-103 Lisboa (PT)