(19)

(11)

EP 2 150 149 A1

(12)

(43) Date of publication: 10.02.2010 Bulletin 2010/06 (21) Application number: 08780575.0 (22) Date of filing: 29.04.2008

(51) International Patent Classification (IPC):  A46B 13/00(2006.01) B24D 3/28(2006.01) C09K 3/14(2006.01) A46D 1/00(2006.01) B24D 13/10(2006.01) (86) International application number: PCT/US2008/061852 (87) International publication number: WO 2008/140929 (20.11.2008 Gazette 2008/47)

(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: 10.05.2007 US 917172 P (71) Applicant: 3M Innovative Properties Company Saint Paul, MN 55133-3427 (US)	(72) Inventors: CHOU, Yeun-Jong, Saint Paul, Minnesota 55133-3427 (US) HOLMES, Dean S., Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Vossius & Partner  Siebertstraße 4 81675 München 81675 München (DE)