(19)

(11)

EP 3 019 585 A1

(12)

(43) Date of publication: 18.05.2016 Bulletin 2016/20 (21) Application number: 14739525.5 (22) Date of filing: 08.07.2014

(51) International Patent Classification (IPC):  C11D 3/37(2006.01) C11D 3/39(2006.01) C11D 17/00(2006.01) C11D 17/06(2006.01) C11D 3/386(2006.01) C11D 11/00(2006.01) C11D 3/14(2006.01) C11D 3/48(2006.01) (86) International application number: PCT/GB2014/052079 (87) International publication number: WO 2015/004444 (15.01.2015 Gazette 2015/02)

(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 (30) Priority: 08.07.2013 GB 201312189 (71) Applicant: Xeros Limited Rotherham, South Yorkshire S60 5BL (GB)	(72) Inventors: WADDON, Alan John Sheffield South Yorkshire S8 0UT (GB) BIRD, Robert Andrew Sheffield South Yorkshire S11 9NG (GB) JENKINS, Stephen Derek Middlesborough Cleveland TS9 5AS (GB) (74) Representative: Carpmaels & Ransford LLP  One Southampton Row London WC1B 5HA London WC1B 5HA (GB)