(19)

(11)

EP 1 996 062 A1

(12)

(43) Date of publication: 03.12.2008 Bulletin 2008/49 (21) Application number: 07751217.6 (22) Date of filing: 22.02.2007

(51) International Patent Classification (IPC):  A47L 17/08(2006.01) (86) International application number: PCT/US2007/004443 (87) International publication number: WO 2007/106301 (20.09.2007 Gazette 2007/38)

(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: 14.03.2006 GB 0605084 (71) Applicant: 3M Innovative Properties Company St. Paul MN 55133-3427 (US)	(72) Inventor: ROQUE, Caroline, F-95006 Cergy Pontoise Cedex (FR) (74) Representative: Hill, Cecilia Ann  3M Europe S.A. OIPC Hermeslaan 7 1831 Diegem 1831 Diegem (BE)