(19)

(11)

EP 0 393 156 A1

(12)

(43) Date of publication: 24.10.1990 Bulletin 1990/43 (21) Application number: 89904120.0 (22) Date of filing: 13.03.1989

(51) International Patent Classification (IPC):  B65D 90/ 10( . ) (86) International application number: PCT/GB1989/000252 (87) International publication number: WO 1989/008594 (21.09.1989 Gazette 1989/23)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 13.03.1988 DE 19883808553 (71) Applicant: Laporte Industries Limited London WC1B 3RA (GB)	(72) Inventor: HEYEN, Hans D-2964 Wiesmoor (DE) (74) Representative: Caldwell, Arthur Noel  Laporte plc Group Patent Department PO Box 8 Laporte House Kingsway Luton, Bedfordshire LU4 8EW Luton, Bedfordshire LU4 8EW (GB)