(19)

(11)

EP 1 545 284 A1

(12)

(43) Date of publication: 29.06.2005 Bulletin 2005/26 (21) Application number: 03749265.9 (22) Date of filing: 29.08.2003

(51) International Patent Classification (IPC)7: A47L 17/08, A47L 13/16 (86) International application number: PCT/US2003/027223 (87) International publication number: WO 2004/021855 (18.03.2004 Gazette 2004/12)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 05.09.2002 GB 0220585 12.06.2003 GB 0313566 (71) Applicant: 3M Innovative Properties Company St. Paul, MN 55133-3427 (US)	(72) Inventors: MARTIN RIVERA, Carmen 28042 Madrid (ES) CABRERO GOMEZ, Estrella 28043 Madrid (ES) (74) Representative: Hill, Cecilia Ann  3M Europe,Hermeslaan 7 1831 Diegem 1831 Diegem (BE)