(19)

(11)

EP 3 292 402 A1

(12)

(43) Date of publication: 14.03.2018 Bulletin 2018/11 (21) Application number: 16728070.0 (22) Date of filing: 09.05.2016

(51) International Patent Classification (IPC):  G01N 30/86(2006.01) G01N 30/84(2006.01) H01J 49/00(2006.01) G01N 30/88(2006.01) (86) International application number: PCT/GB2016/051315 (87) International publication number: WO 2016/178033 (10.11.2016 Gazette 2016/45)

(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 MD (30) Priority: 07.05.2015 GB 201507841 (71) Applicant: Elementar UK Limited Cheadle Hulme, Cheadle SK8 6PT (GB)	(72) Inventor: SUDNIK, Michael Andrew Stockport Cheshire SK2 6SL (GB) (74) Representative: EIP  EIP Europe LLP Fairfax House 15 Fulwood Place London WC1V 6HU London WC1V 6HU (GB)