(19)

(11)

EP 3 863 754 A1

(12)

(43) Date of publication: 18.08.2021 Bulletin 2021/33 (21) Application number: 19790293.5 (22) Date of filing: 08.10.2019

(51) International Patent Classification (IPC):  B01D 67/00(2006.01) B01D 71/02(2006.01) B01D 53/22(2006.01) C08J 5/18(2006.01) (86) International application number: PCT/IB2019/058573 (87) International publication number: WO 2020/075075 (16.04.2020 Gazette 2020/16)

(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: 08.10.2018 PT 2018115061 (71) Applicant: Universidade do Porto 4099-002 Porto (PT)	(72) Inventors: MAGALHÃES MENDES, Adélio Miguel 4099-002 Porto (PT) VALE RODRIGUES, Sandra Cristina 4099-002 Porto (PT) SILVA DE ANDRADE, Márcia Rafaela 4099-002 Porto (PT) TORRES BESSA MENEZES ARAÚJO, Tiago Jorge 4099-002 Porto (PT) (74) Representative: Oliveira Lourenço, Nuno Miguel  Lusoworld II A 25, Rua Pé de Mouro 2710-144 Sintra 2710-144 Sintra (PT)