(19)

(11)

EP 3 325 709 A1

(12)

(43) Date of publication: 30.05.2018 Bulletin 2018/22 (21) Application number: 16757045.6 (22) Date of filing: 19.07.2016

(51) International Patent Classification (IPC):  D06Q 1/14(2006.01) D06N 3/00(2006.01) D01F 1/09(2006.01) (86) International application number: PCT/GB2016/052179 (87) International publication number: WO 2017/013423 (26.01.2017 Gazette 2017/04)

(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: 22.07.2015 GB 201512927 (71) Applicant: Whyte and Ivory Limited Nelson, Lancashire BB9 5SP (GB)	(72) Inventor: HAMILTON, John Peter Kelbrook Lancashire BB18 6TS (GB) (74) Representative: Richardson, Mark Jonathan  Keltie LLP No.1 London Bridge London SE1 9BA London SE1 9BA (GB)