Optically variable water-based inks

Details Optically variable water-based inks Optically variable water-based inks

2006-04-18

2006-04-18

Lorengo, J. A. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C101S491000, C283S091000, C347S112000

Reexamination Certificate

active

07029525

ABSTRACT:
Optically variable water-based inks, methods of providing security information, and documents are provided. The optically variable water-based inks are suitable for flexographic printing processes, and the optically variable water-based inks display a viewing angle dependent color shift between at least a first color and at least a second color. The optically variable water-based inks may be used to provide security information and to flexographically print documents.

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