(19)

(11)

EP 1 812 887 A2

(12)

(88) Date of publication A3: 06.07.2006 (43) Date of publication: 01.08.2007 Bulletin 2007/31 (21) Application number: 05815553.2 (22) Date of filing: 01.11.2005

(51) International Patent Classification (IPC):  G06K 9/00(2006.01) (86) International application number: PCT/US2005/039544 (87) International publication number: WO 2006/052561 (18.05.2006 Gazette 2006/20)

(84) Designated Contracting States: DE ES FR GB (30) Priority: 05.11.2004 US 625559 P (71) Applicant: E.I. DUPONT DE NEMOURS AND COMPANY Wilmington, Delaware 19898 (US)	(72) Inventor: RODRIGUES, Allan, Blase, Joseph Bloomfield Hills, Michigan 48304 (US) (74) Representative: Gritschneder, Martin  Abitz & Partner Patentanwälte Postfach 86 01 09 81628 München 81628 München (DE)