(19)

(11)

EP 0 455 633 A1

(12)

(43) Date of publication: 13.11.1991 Bulletin 1991/46 (21) Application number: 89903051.0 (22) Date of filing: 03.03.1989

(51) International Patent Classification (IPC):  A23L 3/ 3445( . ) F24F 6/ 14( . ) A23L 3/ 36( . ) F25D 17/ 04( . ) (86) International application number: PCT/AU1989/000083 (87) International publication number: WO 1990/008925 (09.08.1990 Gazette 1990/19)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 02.02.1989 AU 19890002510 (71) Applicants: THE MINISTER FOR AGRICULTURE AND RURAL AFFAIRS OF THE STATE OF NEW SOUTH WALES Rawson Place Sydney, NSW 2000 (AU) COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION Chatswood, NSW 2067 (AU)	(72) Inventor: MORRIS, Steven, C. Thornleigh, NSW 2120 (AU) (74) Representative: UEXKÜLL & STOLBERG  Patentanwälte Beselerstrasse 4 D-22607 Hamburg D-22607 Hamburg (DE)