Abstract: If at least the front surface layer and back surface layer of a plastic card formed from a plurality of layers are formed as antibacterial layers including (e. g.) coating layers, printed layers or sheets containing a powdered antibacterial agent, and this configuration is applied to hospital examination cards or various other types of cards that are handled by large numbers of persons, the spread of infections, etc., via said cards can be prevented even if said cards are not subjected to a disinfection treatment.
Abstract: A temporary tattoo and method for manufacturing same using a printer and a personal computer whereby the paper stock is coated to accept appropriate inks from an ink jet printer to form the design of a temporary tattoo, the paper stock and design being overlaid by an adhesive and release coating for application to the skin of the user, the method allowing for the economical manufacture of small quantities of temporary tattoos of a particular design.
Abstract: The present invention relates to a data carrier which contains a novel pigment composition which is preferably applied to the data carrier in the form of a coding. The pigment composition comprises a dye and a solid resin. The dye is bound in the solid resin. The resin is produced as the reaction product obtained from an oligomerized polyisocyanate and a mixture of polyfunctional compounds with active hydrogen.
Type:
Grant
Filed:
February 25, 1998
Date of Patent:
August 10, 1999
Assignee:
Giesecke & Devrient GmbH
Inventors:
Gerhard Schwenk, Ulrich Scholz, Ulrich Magg, Johannes Leist
Abstract: A printing composition that is adapted for printing on computer printers and the like. The printing composition includes a backing sheet and a printing sheet. The printing sheet includes an electret which is reversibly bound to the backing sheet. In one embodiment of the invention, the printing sheet is coated with an ink absorbing coating. The electret can be constructed from materials such as polypropylene or polyethylene that have been subjected to electrostatic fields.
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