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EP 3 966 180 A1

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(43) Date of publication: 16.03.2022 Bulletin 2022/11 (21) Application number: 20728123.9 (22) Date of filing: 06.05.2020

(51) International Patent Classification (IPC):  C04B 24/00(2006.01) C04B 28/04(2006.01) (52) Cooperative Patent Classification (CPC): C04B 28/04; C04B 2103/0001; C04B 2103/61; C04B 2111/26; Y02W 30/91   C-Sets: C04B 28/04, C04B 14/06, C04B 14/28, C04B 18/141, C04B 20/0076, C04B 2103/0001, C04B 2103/32; C04B 28/04, C04B 14/06, C04B 14/28, C04B 18/141, C04B 20/0076, C04B 24/00, C04B 2103/32; C04B 2103/61, C04B 2103/0001; (86) International application number: PCT/GB2020/051110 (87) International publication number: WO 2020/229797 (19.11.2020 Gazette 2020/47)

(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: 10.05.2019 GR 20190100207 12.06.2019 GB 201908396 (71) Applicant: Liverpool John Moores University Liverpool, Merseyside L1 2UA (GB)

(72) Inventors: BRAS, Ana Margarida Armada Liverpool John Moores University Egerton Court No 2 Rodney Street Liverpool L1 2UA (GB) MOHAMMED, Hazha Bushir Liverpool John Moores University Egerton Court No 2 Rodney Street Liverpool L1 2UA (GB) NAKOUTI, Ismini Liverpool John Moores University Egerton Court No 2 Rodney Street Liverpool L1 2UA (GB) (74) Representative: TLIP Limited  14 King Street Leeds LS1 2HL Leeds LS1 2HL (GB)