(19)

(11)

EP 1 581 264 A2

(12)

(88) Date of publication A3: 21.05.2004 (43) Date of publication: 05.10.2005 Bulletin 2005/40 (21) Application number: 03787912.9 (22) Date of filing: 18.08.2003

(51) International Patent Classification (IPC)7: A61L 9/18, A61L 9/20, B01D 53/86, B01D 53/88, B01J 19/12, B01J 35/00, A62D 3/00, F24F 3/16, F04D 25/08, F04D 29/38, G02B 6/10, G02B 6/16 (86) International application number: PCT/GB2003/003599 (87) International publication number: WO 2004/016296 (26.02.2004 Gazette 2004/09)

(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: 17.08.2002 GB 0219205 (71) Applicant: The University of Nottingham Nottingham NG7 2RD (GB)	(72) Inventor: RIFFAT, Saffa Bashir,The University of Nottingham Nottingham NG7 2RD (GB) (74) Representative: Lock, Howard John  Swindell & Pearson, 48 Friar Gate Derby DE1 1GY Derby DE1 1GY (GB)