US 5,928,788 AGranted

Data carrier with layers of modified PET

AssigneeGiesecke & Devrient GmbH

InventorJosef Riedl

Life of this patent

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Abstract

The invention relates to a single- or multilayer data carrier, such as an identity card, bank card or the like. The data carrier has at least one plastic layer, this plastic layer consisting of a thermally nonrecrystallizing polyester.

Claims39

Dependent claims

A single- or multilayer card-shaped data carrier, which has at least one plastic layer, characterized in that the plastic layer comprises a thermally nonrecrystallizing polyester, and the layer contains an antiblocking agent at least in a portion of its volume.

Dependencies are inferred from the claim text.

Facts

Application: 08/652,459Filed 11 Sep 1996
Priority: DE P 44 37 26318 Oct 1994
Granted: 27 Jul 1999
Term ends: Not estimatedThe source records don’t support an estimate.

Classification24 codes

B32B 27/06
Layered products comprising a layer of synthetic resin: as the main or only constituent of a layer, which is next to another layer of the same or…
B32B 27/18
Layered products comprising a layer of synthetic resin: characterised by the use of special additives
B32B 27/36
Layered products comprising a layer of synthetic resin: comprising polyesters
B32B 37/153
With at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and…: at…

Family

No related US applications are recorded in the indexed filing history.

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