(19)

(11)

EP 1 169 412 A1

(12)

(43) Date of publication: 09.01.2002 Bulletin 2002/02 (21) Application number: 00916713.1 (22) Date of filing: 07.04.2000

(51) International Patent Classification (IPC)7: C10G 31/06 (86) International application number: PCT/CA0000/369 (87) International publication number: WO 0061/705 (19.10.2000 Gazette 2000/42)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 07.04.1999 US 287958 (71) Applicant: Ensyn Group Inc. Boston, MA 02116 (US)	(72) Inventors: FREEL, Barry, A. Greely, Ontario K4P 1E8 (CA) GRAHAM, Robert, G. Nepean, Ontario K2J 2J6 (CA) (74) Representative: McNally, Roisin et al Murgitroyd & Company, 373 Scotland Street Glasgow G5 8QA Glasgow G5 8QA (GB)