(19)

(11)

EP 0 500 600 A1

(12)

(43) Date of publication: 02.09.1992 Bulletin 1992/36 (21) Application number: 90916084.0 (22) Date of filing: 29.10.1990

(51) International Patent Classification (IPC):  B08B 17/ 04( . ) B32B 7/ 02( . ) B65D 1/ 02( . ) B29L 22/ 00( . ) B29C 49/ 22( . ) B65D 1/ 00( . ) B65D 65/ 46( . ) (86) International application number: PCT/GB1990/001654 (87) International publication number: WO 1991/007240 (30.05.1991 Gazette 1991/12)

(84) Designated Contracting States: AT BE CH DE DK ES FR GR IT LI LU NL SE (30) Priority: 10.11.1989 GB 19890025472 (71) Applicant: IMPERIAL CHEMICAL INDUSTRIES PLC London SW1P 3JF (GB)	(72) Inventor: GREGORY, Anthony, Harold Haslemere Surrey GU27 3JE (GB) (74) Representative: Mannion, Sally Kim, et al  Group Patents Services Dept. Shire Park, P.O Box 6, Bessemer Road Welwyn Garden City, Hertfordshire AL7 1HD Welwyn Garden City, Hertfordshire AL7 1HD (GB)