(19)

(11)

EP 1 831 727 A2

(12)

(88) Date of publication A3: 31.08.2006 (43) Date of publication: 12.09.2007 Bulletin 2007/37 (21) Application number: 05855524.4 (22) Date of filing: 21.12.2005

(51) International Patent Classification (IPC):  G02B 1/10(2006.01) C09D 4/00(2006.01) (86) International application number: PCT/US2005/046981 (87) International publication number: WO 2006/073920 (13.07.2006 Gazette 2006/28)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 30.12.2004 US 26700 04.05.2005 US 121456 05.11.2005 US 267790 (71) Applicant: 3M INNOVATIVE PROPERTIES COMPANY Saint Paul MN 55133-3427 (US)

(72) Inventors: WHEATLEY, John A., 3M CENTER Saint Paul, Minnesota 55133-3427 (US) WALKER, Christopher B. Jr., 3M CENTER Saint Paul, Minnesota 55133-3427 (US) BELLANCA, Michelle M., 3M CENTER Saint Paul, Minnesota 55133-3427 (US) WANG, Sharon, 3M CENTER Saint Paul, Minnesota 55133-3427 (US) JING, Naiyong, 3M CENTER Saint Paul, Minnesota 55133-3427 (US) QIU, Zai-ming, 3M CENTER Saint Paul, Minnesota 55133-3427 (US) KLUN, Thomas P., 3M CENTER Saint Paul, Minnesota 55133-3427 (US) POKORNY, Richard J., 3M CENTER Saint Paul, Minnesota 55133-3427 (US) MOORE, George G.i., 3M CENTER Saint Paul, Minnesota 55133-3427 (US) PELLERITE, Mark J., 3M CENTER Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Vossius & Partner  Siebertstrasse 4 81675 München 81675 München (DE)