(19)

(11)

EP 0 539 501 A1

(12)

(43) Date of publication: 05.05.1993 Bulletin 1993/18 (21) Application number: 91913858.0 (22) Date of filing: 17.07.1991

(51) International Patent Classification (IPC):  B65D 19/ 26( . ) B65D 19/ 44( . ) B65D 19/ 00( . ) (86) International application number: PCT/US1991/004887 (87) International publication number: WO 1992/001607 (06.02.1992 Gazette 1992/04)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 19.07.1990 US 19900554474 (71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY Wilmington Delaware 19898 (US)	(72) Inventor: REYNOLDS, William Boyd Fayetteville, NC 28306 (US) (74) Representative: Woodcraft, David Charles, et al  BROOKES & MARTIN High Holborn House 52/54 High Holborn London, WC1V 6SE London, WC1V 6SE (GB)