The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 07, 2010
Filed:
Oct. 05, 2004
Applicants:
Thomas Giering, Kirchseeon, DE;
Gerhard Schwenk, Puchheim, DE;
Inventors:
Thomas Giering, Kirchseeon, DE;
Gerhard Schwenk, Puchheim, DE;
Assignee:
Giesecke & Devrient GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G07D 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a composition for a coding forming at least part of a coding system having a luminescent basic substance and at least one luminescent additive, the composition of the coding being formed by the presence or absence of a luminescent additive and/or the type of additives and/or the number of additives.