Patent · US Active

Coextruded foil composite material and its use in card bodies

US9676133B2 · kind B2 · utility

1Cited by

11References

8Claims

0Family size

Assignee

GIESECKE & DEVRIENT GMBH · DE

Inventors

Josef Riedl · Attenkirchen, DE
Cordula Regensburger · Deggendorf, DE
Andreas Braun · San Diego, US

Key dates

Filing date	Feb 4, 2014
Grant date	Jun 13, 2017
Priority date	—
Expiry date	Aug 6, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31786
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A composite film material usable in a data carrier card body includes a first outer plastic layer, an inner plastic layer and a second outer plastic layer, all the layers together forming a coextruded composite. The plastic material of the first outer layer is a polyethylene terephthalate glycol copolymer (PETG) or contains a PETG, the plastic material of the inner layer is a thermoplastic elastomer (TPC) or contains a TPC, and the plastic material of the second outer layer is a PETG or contains a PETG.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.