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(11)

EP 2 387 343 A1

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(43) Date of publication: 23.11.2011 Bulletin 2011/47 (21) Application number: 09837794.8 (22) Date of filing: 02.12.2009

(51) International Patent Classification (IPC):  A47L 13/10(2006.01) A47L 13/16(2006.01) (86) International application number: PCT/US2009/066317 (87) International publication number: WO 2010/080244 (15.07.2010 Gazette 2010/28)

(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 MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 19.12.2008 US 139345 P 25.02.2009 US 392384 (71) Applicant: 3M Innovative Properties Company Saint Paul, MN 55133-3427 (US)	(72) Inventor: LANGER, Delony, L. Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Reinhard - Skuhra - Weise & Partner GbR  Patent- und Rechtsanwälte Friedrichstrasse 31 80801 München 80801 München (DE)