(19)

(11)

EP 1 631 847 A1

(12)

(43) Date of publication: 08.03.2006 Bulletin 2006/10 (21) Application number: 04750422.0 (22) Date of filing: 20.04.2004

(51) International Patent Classification (IPC):  G02B 5/02(1968.09) G06F 3/033(1980.01) B29D 11/00(1968.09) G02B 5/04(1968.09) G02F 1/133(1980.01) (86) International application number: PCT/US2004/012267 (87) International publication number: WO 2005/003822 (13.01.2005 Gazette 2005/02)

(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: 06.06.2003 JP 2003162477 (71) Applicant: 3M Innovative Properties Company St. Paul, MN 55133-3427 (US)	(72) Inventor: SANO, Koichi, Sumitomo 3M Limited Sagamihara, Kanagawa 229-1185 (JP) (74) Representative: Vossius & Partner  Siebertstrasse 4 81675 München 81675 München (DE)