(19)

(11)

EP 0 303 602 A1

(12)

(43) Date of publication: 22.02.1989 Bulletin 1989/08 (21) Application number: 87902325.0 (22) Date of filing: 08.04.1987

(51) International Patent Classification (IPC):  C07K 1/ 06( . ) C12P 21/ 02( . ) C07K 5/ 075( . ) (86) International application number: PCT/AU1987/000092 (87) International publication number: WO 1987/006268 (22.10.1987 Gazette 1987/23)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 10.04.1986 AU 19860005408 (71) Applicant: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION Parkville, VIC 3052 (AU)	(72) Inventor: WHITTAKER, Robert, George West Pymble, NSW 2073 (AU) (74) Representative: Sheard, Andrew Gregory, et al  Kilburn & Strode 30, John Street London WC1N 2DD London WC1N 2DD (GB)