(19)

(11)

EP 2 215 034 A1

(12)

(43) Date of publication: 11.08.2010 Bulletin 2010/32 (21) Application number: 08836328.8 (22) Date of filing: 17.09.2008

(51) International Patent Classification (IPC):  C06B 45/00(2006.01) C06B 31/28(2006.01) C06B 29/22(2006.01) C06B 47/14(2006.01) (86) International application number: PCT/US2008/076645 (87) International publication number: WO 2009/045723 (09.04.2009 Gazette 2009/15)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 01.10.2007 US 976654 P (71) Applicant: 3M Innovative Properties Company Saint Paul, MN 55133-3427 (US)	(72) Inventors: BARAN, Jimmie R., Jr. Saint Paul Minnesota 55133-3427 (US) HOLCOMB, Bruce, A. Stillwater Minnesota 55082 (US) (74) Representative: Voortmans, Gilbert J.L.  3M Europe S.A./N.V. Office of Intellectual Property Counsel Hermeslaan 7 1831 Diegem 1831 Diegem (BE)