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(11)

EP 3 765 220 A1

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(43) Date of publication: 20.01.2021 Bulletin 2021/03 (21) Application number: 19700963.2 (22) Date of filing: 24.01.2019

(51) International Patent Classification (IPC):  B22F 1/00(2006.01) B22F 9/24(2006.01) (86) International application number: PCT/EP2019/051728 (87) International publication number: WO 2019/145409 (01.08.2019 Gazette 2019/31)

(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: 24.01.2018 EP 18382038 (71) Applicants: Nanogap Sub NM Powder, S.A. 15895 Ames La Coruña (ES) Universidade de Santiago de Compostela 15782 Santiago de Compostela- A Coruña (ES)

(72) Inventors: LÓPEZ QUINTELA, Manuel Arturo 15782 Santiago de Compostela - A Coruña (ES) BUCETA FERNÁNDEZ, David 15782 Santiago de Compostela - A Coruña (ES) (74) Representative: ABG Intellectual Property Law, S.L.  Avenida de Burgos, 16D Edificio Euromor 28036 Madrid 28036 Madrid (ES)