(19)

(11)

EP 2 010 036 A1

(12)

(43) Date of publication: 07.01.2009 Bulletin 2009/02 (21) Application number: 07759328.3 (22) Date of filing: 26.03.2007

(51) International Patent Classification (IPC):  A47L 13/16(2006.01) (86) International application number: PCT/US2007/064871 (87) International publication number: WO 2007/117966 (18.10.2007 Gazette 2007/42)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 05.04.2006 BR PI0613430 (71) Applicant: 3M Innovative Properties Company St. Paul MN 55133-3427 (US)	(72) Inventors: OLHE, Paula 13181-900 Sumare (BR) BARBOZA, Ana Claudia Rueda Nery 13181-900 Sumare (BR) LANGBECK, Luis E.A. 13181-900 Sumare (BR) GUERREIRO, Patricia, V. 13181-900 Sumare (BR) (74) Representative: Voortmans, Gilbert J.L. et al 3M Europe S.A./N.V. OIPC Hermeslaan 7 1831 Diegem 1831 Diegem (BE)