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(11)

EP 1 685 233 A1

(12)

(43) Date of publication: 02.08.2006 Bulletin 2006/31 (21) Application number: 04798447.1 (22) Date of filing: 08.11.2004

(51) International Patent Classification (IPC):  C12M 1/107(2006.01) C02F 11/04(2006.01) C02F 3/28(2006.01) (86) International application number: PCT/GB2004/004724 (87) International publication number: WO 2005/047452 (26.05.2005 Gazette 2005/21)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 07.11.2003 GB 0326062 (71) Applicant: Saroko Energy Systems Ltd. Loughborough, Leicestershire LE11 5AE (GB)	(72) Inventor: ADEBAYO, Oluyinka Ogunjimi Loughborough, Leicestershire LE11 2YS (GB) (74) Representative: Chettle, Adrian John et al Withers & Rogers LLP Goldings House, 2 Hays Lane London SE1 2HW London SE1 2HW (GB)