(19)

(11)

EP 3 429 966 A1

(12)

(43) Date of publication: 23.01.2019 Bulletin 2019/04 (21) Application number: 17713380.8 (22) Date of filing: 15.03.2017

(51) International Patent Classification (IPC):  C02F 1/461(2006.01) C02F 1/36(2006.01) C02F 1/463(2006.01) C02F 1/00(2006.01) (86) International application number: PCT/GB2017/050699 (87) International publication number: WO 2017/158348 (21.09.2017 Gazette 2017/38)

(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 MD (30) Priority: 15.03.2016 GB 201604397 (71) Applicant: Kp2m Limited Swansea SA6 8QR (GB)	(72) Inventor: MORGAN, Philip Swansea SA6 8QR (GB) (74) Representative: HGF Limited  Cavendish House 39-41 Waterloo Street Birmingham, West Midlands B2 5PP Birmingham, West Midlands B2 5PP (GB)