(19)

(11)

EP 1 173 530 A1

(12)

(43) Date of publication: 23.01.2002 Bulletin 2002/04 (21) Application number: 00920552.7 (22) Date of filing: 21.03.2000

(51) International Patent Classification (IPC)7: C10L 1/14, C10L 10/02 (86) International application number: PCT/EP0002/574 (87) International publication number: WO 0058/422 (05.10.2000 Gazette 2000/40)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 26.03.1999 GB 9907058 (71) Applicant: Infineum International Limited Abingdon, Oxon OX13 6BB (GB)	(72) Inventors: CAPROTTI, Rinaldo Oxford,Oxfordshire OX13 6BB (GB) DILWORTH, Brid Oxford,Oxfordshire OX13 6BB (GB) FAVA, Carlo, S. OxfordOxfordshire OX2 8EA (GB) COLLIER, PhilipInfineum UK Ltd. Oxford,Oxfordshire OX13 6BB (GB) (74) Representative: Hart, Richard Joseph et al Infineum UK Ltd, Law Department, Milton Hill, PO Box 1 Abingdon, Oxfordshire OX13 6BB Abingdon, Oxfordshire OX13 6BB (GB)