(19)

(11)

EP 3 003 993 A1

(12)

(43) Date of publication: 13.04.2016 Bulletin 2016/15 (21) Application number: 14736919.3 (22) Date of filing: 03.06.2014

(51) International Patent Classification (IPC):  C02F 1/72(2006.01) (86) International application number: PCT/GB2014/051686 (87) International publication number: WO 2014/195686 (11.12.2014 Gazette 2014/50)

(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: 03.06.2013 GB 201309879 (71) Applicant: Managed Technologies Limited Irthington Cumbria CA6 4NQ (GB)	(72) Inventor: MACDONALD, Thomas Murray Irthington Cumbria CA6 4NQ (GB) (74) Representative: Hartley, Lucinda Jane  Hargreaves Elsworth Cooper's Studios 14-18 Westgate Road Newcastle-upon-Tyne NE1 3NN Newcastle-upon-Tyne NE1 3NN (GB)