"A SECURITY DOCUMENT"
Application 3486/DEL/1997 published 2006-12-08, filed 1997-12-05
A security document comprising a substrate having a base material and elongated metal fiber particles inside said base material, the quantity of particles ranges from 0.1 to 5% by weight relative to the weight of said substrate, the particle having such a long and thin form that their diameter being smaller than 30 micrometer and a length ranging from 1 to 20 mm.
Applicant
1)ARJO WIGGINS
:117 QUAI DU PRESIDENT ROOSEVELT 92442 ISSY LESS MOULINEAUX FRANCE 2)N.V.BEKAERT S.A.
Inventor
1)PIERRE DOUBLET 2)PAUL ANDREW ROBERTSON 3)JOHN FISHER 4)JONATHAN BURRELL
International Info
Classification: G06K 7/08