(19)

(11)

EP 1 266 355 A1

(12)

(43) Date of publication: 18.12.2002 Bulletin 2002/51 (21) Application number: 01918807.7 (22) Date of filing: 15.03.2001

(51) International Patent Classification (IPC)7: G06K 19/077 (86) International application number: PCT/US0108/669 (87) International publication number: WO 0106/9525 (20.09.2001 Gazette 2001/38)

(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: 15.03.2000 US 189649 P 15.03.2000 US 189596 P (71) Applicant: International Paper Tuxedo, NY 10987 (US)	(72) Inventor: KIRKHAM, Richard Loveland, OH 45140 (US) (74) Representative: Howe, Steven  Lloyd WiseCommonwealth House,1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)