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EP 4 110 910 A1

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(43) Date of publication: 04.01.2023 Bulletin 2023/01 (21) Application number: 21707685.0 (22) Date of filing: 26.02.2021

(51) International Patent Classification (IPC):  C12N 9/42(2006.01) B82Y 30/00(2011.01) C08K 3/04(2006.01) D21H 13/50(2006.01) C12P 7/10(2006.01) C01B 32/20(2017.01) D21H 11/18(2006.01) (52) Cooperative Patent Classification (CPC): C12N 9/2437; C12Y 302/01004; B82Y 30/00; D21H 11/18; D21H 13/50; B82Y 40/00; C12P 19/14; C12P 19/00; Y02E 50/10 (86) International application number: PCT/EP2021/054774 (87) International publication number: WO 2021/170770 (02.09.2021 Gazette 2021/35)

(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: 28.02.2020 EP 20382140 (71) Applicants: ASOCIACIÓN CENTRO DE INVESTIGACIÓN COOPERATIVA EN NANOCIENCIAS "CIC nanoGUNE" 20018 San Sebastian, Guipuzcoa (ES) Universidad del País Vasco/Euskal Herriko Unibertsitatea 48940 Leioa, Vizcaya (ES)

(72) Inventors: PÉREZ JIMÉNEZ, Raúl 20018 San Sebastian - Guipuzcoa (ES) ALONSO LERMA, Borja 20018 San Sebastian - Guipuzcoa (ES) ECEIZA MENDIGUREN, María Aranzazu 48940 Leioa - Vizcaya (ES) (74) Representative: ABG Intellectual Property Law, S.L.  Avenida de Burgos, 16D Edificio Euromor 28036 Madrid 28036 Madrid (ES)