(19)
(11)
EP 0 542 874 A1
(12)
(43)
Date of publication:
26.05.1993
Bulletin 1993/21
(21)
Application number:
91915255.0
(22)
Date of filing:
17.07.1991
(51)
International Patent Classification (IPC):
C12N
15/
09
( . )
C12Q
1/
68
( . )
C12N
15/
10
( . )
(86)
International application number:
PCT/US1991/005067
(87)
International publication number:
WO 1992/001813
(
06.02.1992
Gazette 1992/04)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
(30)
Priority:
25.07.1990
US 19900558645
(71)
Applicant:
SYNGENE, INC.
San Diego, CA 92121-2789 (US)
(72)
Inventors:
RUTH, Jerry, L,
San Diego, CA 92131 (US)
DRIVER, David, A.
San Diego, CA 92117 (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)
(54)
CIRCULAR EXTENSION FOR GENERATING MULTIPLE NUCLEIC ACID COMPLEMENTS