(19)

(11)

EP 1 121 596 A1

(12)

(43) Date of publication: 08.08.2001 Bulletin 2001/32 (21) Application number: 99970472.9 (22) Date of filing: 12.10.1999

(51) International Patent Classification (IPC)7: G01N 33/543 (86) International application number: PCT/SE9901/836 (87) International publication number: WO 0022/435 (20.04.2000 Gazette 2000/16)

(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: 12.10.1998 SE 9803469 (71) Applicant: Picron Microarray AB 751 83 Uppsala (SE)	(72) Inventor: MALMQUIST, Mats S-754 39 Uppsala (SE) (74) Representative: Larfeldt, Helene  Bergensträhle & Lindvall ABP.O. Box 17704 118 93 Stockholm 118 93 Stockholm (SE)