(19)

(11)

EP 1 988 811 A1

(12)

(43) Date of publication: 12.11.2008 Bulletin 2008/46 (21) Application number: 07750700.2 (22) Date of filing: 14.02.2007

(51) International Patent Classification (IPC):  A47L 25/08(2006.01) A47L 13/16(2006.01) (86) International application number: PCT/US2007/003879 (87) International publication number: WO 2007/100497 (07.09.2007 Gazette 2007/36)

(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 NL PL PT RO SE SI SK TR (30) Priority: 28.02.2006 GB 0603875 (71) Applicant: 3M Innovative Properties Company St. Paul MN 55133-3427 (US)	(72) Inventors: MARTIN RIVERA, Carmen E-28027 Madrid (ES) THIOLIERE, Stephane F-95006 Cergy Pontoise Cedex (FR) (74) Representative: Hill, Cecilia Ann  3M Europe S.A. OIPC Hermeslaan 7 1831 Diegem 1831 Diegem (BE)