Patent · US Active

Security element and method for producing the same

US8534709B2 · kind B2 · utility

3Cited by

11References

32Claims

0Family size

Assignee

GIESECKE & DEVRIENT GMBH · DE

Inventors

Winfried Hoffmuller · Bad Tölz, DE
Marius Dichtl · Munich, DE
André Gregarek · Munich, DE

Key dates

Filing date	Feb 9, 2009
Grant date	Sep 17, 2013
Priority date	—
Expiry date	Jan 29, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24479
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

The present invention relates to a method for manufacturing a security element (12) having a metalized microrelief pattern and a negative pattern in register therewith, in which

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