(19)

(11)

EP 1 112 321 A1

(12)

(43) Date of publication: 04.07.2001 Bulletin 2001/27 (21) Application number: 99939289.7 (22) Date of filing: 20.08.1999

(51) International Patent Classification (IPC)7: C08L 23/04, C08J 5/18, B65D 33/00 (86) International application number: PCT/CA9900/775 (87) International publication number: WO 0011/074 (02.03.2000 Gazette 2000/09)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 21.08.1998 US 97427 P (71) Applicant: DUPONT CANADA INC. Mississauga,Ontario L5N 5M8 (CA)	(72) Inventors: CLIMENHAGE, David Charles Orono, Ontario L0B 1M0 (CA) SMILLIE, Benjamin, Andrew Kingston, Ontario K7M 3N7 (CA) (74) Representative: James, Anthony Christopher W.P. et al Carpmaels & Ransford43 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)