(19)

(11)

EP 3 152 180 A1

(12)

(43) Date of publication: 12.04.2017 Bulletin 2017/15 (21) Application number: 15728077.7 (22) Date of filing: 05.06.2015

(51) International Patent Classification (IPC):  C04B 28/02(2006.01) C04B 111/00(2006.01) C04B 20/10(2006.01) C04B 103/65(2006.01) (86) International application number: PCT/GB2015/000162 (87) International publication number: WO 2015/185885 (10.12.2015 Gazette 2015/49)

(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: MA (30) Priority: 05.06.2014 GB 201410030 (71) Applicant: Imperial Innovations Ltd London SW7 2PG (GB)	(72) Inventors: CHEESEMAN, Christopher London SW7 2AZ (GB) SPATHI, Charikleia London SW7 2AZ (GB) (74) Representative: Harris, Jennifer Lucy et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)