(19)

(11)

EP 1 587 898 A1

(12)

(43) Date of publication: 26.10.2005 Bulletin 2005/43 (21) Application number: 04704663.6 (22) Date of filing: 23.01.2004

(51) International Patent Classification (IPC)7: C10L 1/12, C10L 10/02 (86) International application number: PCT/GB2004/000294 (87) International publication number: WO 2004/065529 (05.08.2004 Gazette 2004/32)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 23.01.2003 GB 0301599 (71) Applicant: Oxonica Limited Kidlington, Oxford OX5 1PF (GB)	(72) Inventor: SCATTERGOOD, Roger Begbroke Business & Sce Park Kidlington,Oxfordshire OX5 1PF (GB) (74) Representative: Benson, John Everett  J.A. Kemp & Co. 14 South Square Gray's Inn GB-London WC1R 5JJ GB-London WC1R 5JJ (GB)