(19)

(11)

EP 2 227 443 A2

(12)

(88) Date of publication A3: 11.09.2009 (43) Date of publication: 15.09.2010 Bulletin 2010/37 (21) Application number: 08848117.1 (22) Date of filing: 07.11.2008

(51) International Patent Classification (IPC):  C02F 11/18(2006.01) (86) International application number: PCT/GB2008/003749 (87) International publication number: WO 2009/060201 (14.05.2009 Gazette 2009/20)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 09.11.2007 GB 0722034 (71) Applicant: Shepherd, Samual Houston, Texas 77070 (US)	(72) Inventor: SPOONER, Jake, Christopher New Milton, Hampshire BH25 6DX (GB) (74) Representative: Foot, Paul Matthew James et al Withers & Rogers LLP Goldings House 2 Hays Lane London SE1 2HW London SE1 2HW (GB)