Patent · US Active

Coextruded foil composite material and its use in card bodies

US9796122B2 · kind B2 · utility

1Cited by

8References

8Claims

0Family size

Assignee

GIESECKE+DEVRIENT MOBILE SECURITY GMBH · DE

Inventors

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

Key dates

Filing date	Oct 15, 2015
Grant date	Oct 24, 2017
Priority date	—
Expiry date	Oct 15, 2035

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 co-extruded 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 containes 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.