(19)

(11)

EP 1 274 820 A2

(12)

(88) Date of publication A3: 07.03.2002 (43) Date of publication: 15.01.2003 Bulletin 2003/03 (21) Application number: 01931590.2 (22) Date of filing: 11.04.2001

(51) International Patent Classification (IPC)7: C10L 1/14 (86) International application number: PCT/EP0104/177 (87) International publication number: WO 0107/9397 (25.10.2001 Gazette 2001/43)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 17.04.2000 GB 0009310 (71) Applicant: Infineum International Limited Abingdon,Oxon OX13 6BB (GB)	(72) Inventors: JACKSON, Graham Berkshire, Berkshire RG4 7NE (GB) FAVA, Carlo Oxford, Oxfordshire OX2 8EA (GB) (74) Representative: Mansell, Keith Rodney et al Infineum UK Ltd,Law Department,P.O. Box 1,Milton Hill Abingdon,Oxfordshire OX13 6BB Abingdon,Oxfordshire OX13 6BB (GB)