(19)

(11)

EP 1 687 832 A1

(12)

(43) Date of publication: 09.08.2006 Bulletin 2006/32 (21) Application number: 04794220.6 (22) Date of filing: 05.10.2004

(51) International Patent Classification (IPC):  H01B 7/285(2006.01) H01B 3/44(2006.01) C08L 53/02(2006.01) (86) International application number: PCT/US2004/032804 (87) International publication number: WO 2005/045852 (19.05.2005 Gazette 2005/20)

(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 PL PT RO SE SI SK TR (30) Priority: 28.10.2003 US 695543 (71) Applicant: 3M Innovative Properties Company St. Paul, MN 55133-3427 (US)

(72) Inventors: HAGEN, Nathan, K. Austin, TX 78726-9000 (US) HAGUE, David, R. Austin, TX 78739-1412 (US) MISTELE, Chad, D. Alexandria, MN 56308 (US) NAPIERALA, Mark, E. Saint Paul, MN 55133-3427 (US) PEREZ, Mario, A. Saint Paul, MN 55133-3427 (US) VELAMAKANNI, Bhaskar, V. Saint Paul, MN 55133-3427 (US) YOUNG, James, K. Austin, TX 78726-9000 (US) (74) Representative: von Kreisler Selting Werner  Patentanwälte Deichmannhaus am Dom Bahnhofsvorplatz 1 50667 Köln 50667 Köln (DE)