(19)

(11)

EP 3 678 802 A1

(12)

(43) Date of publication: 15.07.2020 Bulletin 2020/29 (21) Application number: 18786011.9 (22) Date of filing: 07.09.2018

(51) International Patent Classification (IPC):  B22D 19/14(2006.01) B22D 21/00(2006.01) C22C 47/02(2006.01) C22C 49/04(2006.01) C22C 49/14(2006.01) B01F 11/02(2006.01) B22D 21/04(2006.01) C22C 47/08(2006.01) C22C 49/06(2006.01) (86) International application number: PCT/GB2018/052549 (87) International publication number: WO 2019/048876 (14.03.2019 Gazette 2019/11)

(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: 07.09.2017 GB 201714401 (71) Applicant: Brunel University London Uxbridge, Middlesex UB8 3PH (GB)	(72) Inventors: ANGUILANO, Lorna Uxbridge Middlesex UB8 3PH (GB) MINTON, Timothy Uxbridge Middlesex UB8 3PH (GB) MCKAY, Brian Uxbridge Middlesex UB8 3PH (GB) BAREKAR, Nilam Uxbridge Middlesex UB8 3PH (GB) ADOLE, Onuh Uxbridge Middlesex UB8 3PH (GB) (74) Representative: Williams Powell  11 Staple Inn London WC1V 7QH London WC1V 7QH (GB)