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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.:

US 9576416 B1

PDFFull Text
Date of Patent:
Feb. 21, 2017

Filed:

Mar. 22, 2013

Magnetic authenticity feature

Applicant:

Universitaet Kassel, Kassel, DE;

Inventors:

Arno Ehresmann, Zweibruecken, DE;

Dieter Engel, Frankfurt, DE;

Assignee:

Universitaet Kassel, Kassel, DE;

Attorney:

Modern Times Legal

Primary Examiner:

Sonji Johnson

Int. Cl.
CPC ...
G07D 7/04 (2016.01); H01F 10/32 (2006.01); B42D 25/29 (2014.01); B42D 25/00 (2014.01); G06K 1/12 (2006.01); G06K 7/08 (2006.01); G06K 19/06 (2006.01); H01F 41/14 (2006.01); B32B 15/04 (2006.01); B32B 15/12 (2006.01); A61J 1/03 (2006.01); H01F 41/30 (2006.01);
U.S. Cl.
CPC ...
G07D 7/04 (2013.01); B32B 15/04 (2013.01); B32B 15/043 (2013.01); B32B 15/12 (2013.01); B42D 25/00 (2014.10); B42D 25/29 (2014.10); G06K 1/12 (2013.01); G06K 7/082 (2013.01); G06K 19/06196 (2013.01); H01F 10/3218 (2013.01); H01F 41/14 (2013.01); A61J 1/035 (2013.01); A61J 2205/60 (2013.01); B32B 2250/05 (2013.01); B32B 2307/20 (2013.01); B32B 2605/00 (2013.01); B42D 2033/16 (2013.01); H01F 10/3268 (2013.01); H01F 41/308 (2013.01);
Abstract

The invention relates to a magnetic multilayer system () which is arranged on a substrate () which is made of a material from the group consisting of a plastic from the group of polymers, metal, metal alloy and paper and/or which is at least one element from the group consisting of a document and packaging. The invention further relates to packaging which comprises such a magnetic multilayer system (). According to the invention, the multilayer system () is used for proving the authenticity of an object. Likewise according to the invention are a method for marking an object with a magnetic multilayer system for proving the authenticity of an object and a method for reading a magnetic multilayer system for proving the authenticity of an object.

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