(19)

(11)

EP 1 156 933 A1

(12)

(43) Date of publication: 28.11.2001 Bulletin 2001/48 (21) Application number: 99972160.8 (22) Date of filing: 28.10.1999

(51) International Patent Classification (IPC)7: B42D 5/00 (86) International application number: PCT/US9925/539 (87) International publication number: WO 0029/225 (25.05.2000 Gazette 2000/21)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 13.11.1998 US 191650 (71) Applicant: 3M Innovative Properties Company Saint Paul, MN 55133-3427 (US)	(72) Inventors: ELEOUET, Bernard, J., B. Saint Paul, MN 55133-3427 (US) CRAWFORD, Dennis, L. Saint Paul, MN 55133-3427 (US) BYRAM, David, C. Saint Paul, MN 55133-3427 (US) SCHLEIF, Larry, A. Saint Paul, MN 55133-3427 (US) DOTTERMAN, Perry, S. Saint Paul, MN 55133-3427 (US) (74) Representative: Voortmans, Gilbert J.L.  3M Europe S.A.,Hermeslaan 7 1831 Diegem 1831 Diegem (BE)