(19)

(11)

EP 1 019 712 A1

(12)

(43) Date of publication: 19.07.2000 Bulletin 2000/29 (21) Application number: 98948072.8 (22) Date of filing: 15.09.1998

(51) International Patent Classification (IPC)7: G01N 27/26, G01N 27/447 (86) International application number: PCT/US9818/249 (87) International publication number: WO 9915/888 (01.04.1999 Gazette 1999/13)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 19.09.1997 US 67580 P (71) Applicant: Aclara BioSciences, Inc. Mountain View, CA 94043-1432 (US)	(72) Inventors: BJORNSON, Torleif, Ove Gilroy, CA 95020 (US) McCORMICK, Randy, M. Santa Clara, CA 95054 (US) SOANE, David, S. Piedmont, CA 94610 (US) (74) Representative: Beresford, Keith Denis Lewis et al BERESFORD & Co.High Holborn2-5 Warwick Court London WC1R 5DJ London WC1R 5DJ (GB)