(19)

(11)

EP 0 746 607 A1

(12)

(43) Date of publication: 11.12.1996 Bulletin 1996/50 (21) Application number: 93912444.0 (22) Date of filing: 17.06.1993

(51) International Patent Classification (IPC):  C12N 15/ 09( . ) C12N 9/ 24( . ) C12N 15/ 56( . ) C12R 1/ 645( . ) C12N 1/ 21( . ) C12N 9/ 38( . ) C12R 1/ 19( . ) (86) International application number: PCT/AU1993/000294 (87) International publication number: WO 1993/025671 (23.12.1993 Gazette 1993/30)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 17.06.1992 AU 1992PL02985 29.06.1992 AU 1992PL03238 01.04.1993 AU 1993PL08100 (71) Applicant: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION Parkville, VIC 3052 (AU)	(72) Inventor: XUE, Gang Ping St. Lucia, Brisbane, QLD 4067 (AU) (74) Representative: Desaix, Anne, et al  Ernest Gutmann - Yves Plasseraud S.A. 3, rue Chauveau-Lagarde 75008 Paris 75008 Paris (FR)