(19)

(11)

EP 0 517 822 A1

(12)

(43) Date of publication: 16.12.1992 Bulletin 1992/51 (21) Application number: 91906005.0 (22) Date of filing: 07.03.1991

(51) International Patent Classification (IPC):  B65D 1/ 18( . ) B65D 1/ 20( . ) (86) International application number: PCT/AU1991/000080 (87) International publication number: WO 1991/013811 (19.09.1991 Gazette 1991/22)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 07.03.1990 AU 19900008963 05.09.1990 AU 19900002126 (71) Applicant: GIBSON CHEMICALS LIMITED Cheltenham, VIC 3192 (AU)	(72) Inventors: VANDERTOP, Michael, Julian Armadale, VIC 3143 (AU) ORETTI, John, Ernest Blackburn, VIC 3130 (AU) (74) Representative: Hallybone, Huw George  CARPMAELS AND RANSFORD 43 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)