(19)

(11)

EP 2 928 353 A1

(12)

(43) Date of publication: 14.10.2015 Bulletin 2015/42 (21) Application number: 13863126.2 (22) Date of filing: 06.12.2013

(51) International Patent Classification (IPC):  A47L 13/257(2006.01) (86) International application number: PCT/US2013/073450 (87) International publication number: WO 2014/093138 (19.06.2014 Gazette 2014/25)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 10.12.2012 US 201261735224 P (71) Applicant: 3M Innovative Properties Company Saint Paul, MN 55133-3427 (US)	(72) Inventor: RASHID, Karim New York, NY 10011 (US) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstrasse 3 81675 München 81675 München (DE)