Carrier of information bearing a watermark

Details Carrier of information bearing a watermark Carrier of information bearing a watermark

2005-11-03

2008-12-16

Tucker, Philip C (Department: 1791)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S278000, C156S314000, C428S204000, C428S212000, C428S032180, C428S032370

Reexamination Certificate

active

07465370

ABSTRACT:
An information carrier comprising a support and a receiving layer is disclosed, together with the method of preparation. The information carrier further comprises (optionally personalized) information applied, preferably by ink jet printing, on the receiver layer, and a new type of watermark, obtained by applying pattern-wise a curable varnish and curing it, and by curing an overall applied curable lacquer. One of the varnish and the lacquer have the ability upon penetration into the receiving layer of changing its transparency, thus creating a transparent watermark on an opaque background, or creating a opaque watermark on an transparent background. The finished information carrier is preferably cut in a set of multiple identification (ID) cards.

REFERENCES:
patent: 3414998 (1968-12-01), Berger
patent: 4520063 (1985-05-01), Simon
patent: 4627642 (1986-12-01), Peronneau et al.
patent: 5449200 (1995-09-01), Andric et al.
patent: 5772828 (1998-06-01), Parkander
patent: 6171734 (2001-01-01), Warner et al.
patent: 6724912 (2004-04-01), Carr et al.
patent: 6837959 (2005-01-01), Daems et al.
patent: 2003/0059565 (2003-03-01), Otaki et al.
patent: 0858056 (1998-08-01), None
patent: 3920378 (1991-01-01), None
patent: 10021896 (2001-11-01), None
European Search Report, EP02102358, Feb. 28, 2003, E. Greiner.

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