(19)

(11)

EP 0 743 981 A1

(12)

(43) Date of publication: 27.11.1996 Bulletin 1996/48 (21) Application number: 94915758.0 (22) Date of filing: 09.02.1994

(51) International Patent Classification (IPC):  C12M 3/ 06( . ) C12N 5/ 06( . ) (86) International application number: PCT/US1994/002140 (87) International publication number: WO 1995/021911 (17.08.1995 Gazette 1995/35)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: UNISYN TECHNOLOGIES, INC. Tustin, CA 92680 (US)	(72) Inventor: GOFFE, Randal A. Arlington, WA 98223 (US) (74) Representative: Hackney, Nigel John, et al  Mewburn Ellis, York House, 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)