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(11)

EP 1 203 227 A1

(12)

(43) Date of publication: 08.05.2002 Bulletin 2002/19 (21) Application number: 00941237.0 (22) Date of filing: 05.06.2000

(51) International Patent Classification (IPC)7: G01N 27/26, G01N 33/49, G01N 33/53, G01N 27/447, B01D 21/26, B01D 35/06, B01D 37/00, C12Q 1/68, C12N 1/00, C12N 5/06, C12N 5/08 (86) International application number: PCT/US0015/565 (87) International publication number: WO 0075/647 (14.12.2000 Gazette 2000/50)

(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: 04.06.1999 US 137692 P (71) Applicant: BIOSEPARATIONS, INC. Tucson, AZ 85719 (US)	(72) Inventors: SAMMONS, David, W. Tucson, AZ 85718 (US) BETHELL, Delia, R. Tucson, AZ 85718 (US) KO, Wen-Jen Tucson, AZ 85715 (US) (74) Representative: HOFFMANN - EITLE  Patent- und RechtsanwälteArabellastrasse 4 81925 München 81925 München (DE)