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(11)

EP 3 119 923 A1

(12)

(43) Date of publication: 25.01.2017 Bulletin 2017/04 (21) Application number: 15711191.5 (22) Date of filing: 20.03.2015

(51) International Patent Classification (IPC):  C23C 24/04(2006.01) B24C 3/02(2006.01) B24C 1/00(2006.01) B24C 11/00(2006.01) (86) International application number: PCT/EP2015/055999 (87) International publication number: WO 2015/140327 (24.09.2015 Gazette 2015/38)

(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: 20.03.2014 GB 201405032 (71) Applicant: Enbio Limited Belfield, Dublin 4 (IE)	(72) Inventors: TWOMEY, Barry Dublin 18 (IE) STANTON, Kenneth Bray Co. Wicklow (IE) O'DONOGHUE, John Dungarvan Co. Waterford (IE) ROCHE, Kevin Dublin 6 (IE) MOHAN, Joseph Dublin 9 (IE) (74) Representative: Pitchford, James Edward  Mathys & Squire LLP The Shard 32 London Bridge Street London SE1 9SG London SE1 9SG (GB)