(19)

(11)

EP 1 364 336 A2

(12)

(88) Date of publication A3: 21.08.2003 (43) Date of publication: 26.11.2003 Bulletin 2003/48 (21) Application number: 00957673.7 (22) Date of filing: 22.08.2000

(51) International Patent Classification (IPC)7: G06K 9/00 (86) International application number: PCT/US0023/044 (87) International publication number: WO 0102/9756 (26.04.2001 Gazette 2001/17)

(84) Designated Contracting States: DE FR GB NL (30) Priority: 21.10.1999 US 422535 31.03.2000 US 540472 (71) Applicant: 3M Innovative Properties Company Saint Paul, MN 55133-3427 (US)	(72) Inventor: ATKINSON, Matthew, R., C. Saint Paul, MN 55133-3427 (US) (74) Representative: VOSSIUS & PARTNER  Siebertstrasse 4 81675 München 81675 München (DE)