(19)

(11)

EP 1 446 285 A1

(12)

(43) Date of publication: 18.08.2004 Bulletin 2004/34 (21) Application number: 02784348.1 (22) Date of filing: 31.10.2002

(51) International Patent Classification (IPC)7: B32B 5/14, B32B 7/02 (86) International application number: PCT/US2002/034912 (87) International publication number: WO 2003/037616 (08.05.2003 Gazette 2003/19)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 31.10.2001 JP 2001334729 (71) Applicant: 3M Innovative Properties Company St. Paul, MN 55133-3427 (US)	(72) Inventor: EGASHIRA, Ken  (JP) (74) Representative: Hilleringmann, Jochen et al Bahnhofsvorplatz 1,Deichmannhaus 50667 Köln 50667 Köln (DE)