(19)
(11) EP 1 499 412 A1

(12)

(43) Date of publication:
26.01.2005 Bulletin 2005/04

(21) Application number: 03723992.8

(22) Date of filing: 10.04.2003
(51) International Patent Classification (IPC)7B01D 15/00
(86) International application number:
PCT/US2003/011278
(87) International publication number:
WO 2003/086569 (23.10.2003 Gazette 2003/43)
(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: 12.04.2002 US 372327 P
31.05.2002 US 159003
30.09.2002 US 261031
27.01.2003 US 351717
09.04.2003 US 409829

(71) Applicant: PG Research Foundation
Darien, IL 60561 (US)

(72) Inventors:
  • HORWITZ, Philip, E.
    Naperville, IL 60540 (US)
  • BOND, Andrew, H.
    Hoffman Estates, IL 60192 (US)

(74) Representative: Fisher, Adrian John et al
CARPMAELS & RANSFORD43-45 Bloomsbury Square
London WC1A 2RA
London WC1A 2RA (GB)

   


(54) MULTICOLUMN SELECTIVITY INVERSION GENERATOR FOR PRODUCTION OF ULTRAPURE RADIONUCLIDES