Patent · US Active

Security document

US8622433B2 · kind B2 · utility

3Cited by

6References

17Claims

0Family size

Assignee

GIESECKE & DEVRIENT GMBH · DE

Inventors

Georg Depta · Rosenheim, DE
Karlheinz Mayer · Grünenbach, DE
Christof Baldus · Birkenfeld, DE
Peter Franz · Mumpf, CH
Max Voit · Weilheim, DE
Walter Dorfler · Munich, DE

Key dates

Filing date	May 2, 2005
Grant date	Jan 7, 2014
Priority date	—
Expiry date	May 23, 2027

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB42D2033/26
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

The invention relates to a value document, such as bank note, passport or the like, which has a security paper and a marking produced with the help of a laser, the security paper having at least one partial area with a coating, and the marking extending over the border area between coating and security paper. Further, the invention relates to a security paper and methods for producing an inventive value document and security paper.

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