(19)

(11)

EP 1 303 725 A2

(12)

(88) Date of publication A3: 30.05.2002 (43) Date of publication: 23.04.2003 Bulletin 2003/17 (21) Application number: 01961683.8 (22) Date of filing: 20.07.2001

(51) International Patent Classification (IPC)7: F21V 8/00 (86) International application number: PCT/US0123/022 (87) International publication number: WO 0200/8663 (31.01.2002 Gazette 2002/05)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 26.07.2000 JP 2000225276 (71) Applicant: 3M Innovative Properties Company Saint Paul, MN 55133-3427 (US)	(72) Inventor: TOYOOKA, Kazuhiko Yamagata-city,Yamagata 990-0881 (JP) (74) Representative: VOSSIUS & PARTNER  Siebertstrasse 4 81675 München 81675 München (DE)