(19)

(11)

EP 1 438 114 A1

(12)

(43) Date of publication: 21.07.2004 Bulletin 2004/30 (21) Application number: 02800477.8 (22) Date of filing: 04.10.2002

(51) International Patent Classification (IPC)7: B01D 17/038 (86) International application number: PCT/US2002/031684 (87) International publication number: WO 2003/028844 (10.04.2003 Gazette 2003/15)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 04.10.2001 US 327336 P (71) Applicant: Ikonisys, Inc. New Haven, CT 06511 (US)	(72) Inventors: ARKING, E., James Hamden, CT 06518 (US) TAFAS, Triantafyllos Rocky Hill, CT 06067 (US) (74) Representative: Lucas, Brian Ronald  Lucas & Co.135 Westhall Road Warlingham,Surrey CR6 9HJ Warlingham,Surrey CR6 9HJ (GB)