(19)

(11)

EP 1 485 249 A1

(12)

(43) Date of publication: 15.12.2004 Bulletin 2004/51 (21) Application number: 03725995.9 (22) Date of filing: 21.02.2003

(51) International Patent Classification (IPC)7: B32B 7/02, B32B 33/00, C09K 3/18, B65D 65/42 (86) International application number: PCT/US2003/005153 (87) International publication number: WO 2003/072353 (04.09.2003 Gazette 2003/36)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 21.02.2002 US 357837 P (71) Applicant: TORAY PLASTICS (AMERICA), INC. North Kingstown, RI 02852-7500 (US)	(72) Inventors: CHANG, Keunsuk, P. North Kingstown, RI 02852-7500 (US) SU, Tien-Kuei Saunderstown, RI 02874 (US) (74) Representative: Paget, Hugh Charles Edward et al Mewburn Ellis LLPYork House23 Kingsway London WC2B 6HP London WC2B 6HP (GB)