(19)

(11)

EP 1 954 980 A1

(12)

(43) Date of publication: 13.08.2008 Bulletin 2008/33 (21) Application number: 06838707.5 (22) Date of filing: 01.12.2006

(51) International Patent Classification (IPC):  F21S 13/10(2006.01) (86) International application number: PCT/US2006/045885 (87) International publication number: WO 2007/064817 (07.06.2007 Gazette 2007/23)

(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: 02.12.2005 NZ 54396305 (71) Applicant: 3M Innovative Properties Company St. Paul MN 55133-3427 (US)	(72) Inventor: PARKER, Alan R., Auckland, 10 (NZ) (74) Representative: Voortmans, Gilbert J.L.  3M Europe S.A., Hermeslaan 7 1831 Diegem 1831 Diegem (BE)