Patent · US Active

Value document, production and verification of value documents

US8616584B2 · kind B2 · utility

6Cited by

7References

6Claims

0Family size

Assignee

GIESECKE & DEVRIENT GMBH · DE

Inventors

Ulrich Scholz · Buchbach, DE
Gregor Grauvogl · Hersbruck, DE
Ulrich Magg · Feldgeding, DE
Thomas Giering · Kirchseeon, DE
Franz Muller · Blankenloch, DE
Klaus Thierauf · Birkenfeld, DE

Key dates

Filing date	Jul 18, 2006
Grant date	Dec 31, 2013
Priority date	—
Expiry date	Apr 2, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB42D2035/34
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A sheet-shaped document of value (BN) has luminescent feature substances (20, 21). Preferably, one luminescent feature substance is present over the entire sheet-shaped document and has a low concentration, whereas a second luminescent feature substance is present at certain partial areas and has a higher concentration.

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