(19)

(11)

EP 0 736 169 A1

(12)

(43) Date of publication: 09.10.1996 Bulletin 1996/41 (21) Application number: 94928610.0 (22) Date of filing: 16.09.1994

(51) International Patent Classification (IPC):  C12N 5/ 0789( . ) G01N 33/ 569( . ) G01N 33/ 50( . ) (86) International application number: PCT/US1994/010501 (87) International publication number: WO 1995/008105 (23.03.1995 Gazette 1995/13)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 17.09.1993 US 19930122977 05.05.1994 US 19940238686 (71) Applicant: SYSTEMIX, INC. Palo Alto, California 94304 (US)	(72) Inventors: READING, Christopher Palo Alto, CA 94306 (US) CONDINO, Janet, L. Los Altos, CA 94024 (US) (74) Representative: Goldin, Douglas Michael, et al  J.A. KEMP & CO. 14, South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)