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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 12129382 B1

PDFFull Text
Date of Patent:
Oct. 29, 2024

Filed:

Nov. 20, 2020

Effect pigment, production method, value document and printing ink

Applicant:

Giesecke+devrient Currency Technology Gmbh, Munich, DE;

Inventors:

Michael Rahm, Bad Tolz, DE;

Manfred Heim, Bad Tolz, DE;

Raphael Dehmel, Neubeuern, DE;

Winfried Hoffmuller, Bad Tolz, DE;

Assignee:

GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH, Munich, DE;

Attorney:

Workman Nydegger

Primary Examiner:

Austin Murata

Int. Cl.
CPC ...
C09C 1/00 (2006.01); B41M 3/14 (2006.01); B41M 7/00 (2006.01); B42D 25/369 (2014.01); C09D 11/037 (2014.01); C09D 11/101 (2014.01); C09D 11/50 (2014.01); H01F 1/055 (2006.01); B42D 25/23 (2014.01); B42D 25/29 (2014.01);
U.S. Cl.
CPC ...
C09C 1/0078 (2013.01); B41M 3/14 (2013.01); B41M 7/0072 (2013.01); B42D 25/369 (2014.10); C09C 1/0021 (2013.01); C09D 11/037 (2013.01); C09D 11/101 (2013.01); C09D 11/50 (2013.01); H01F 1/0551 (2013.01); B42D 25/23 (2014.10); B42D 25/29 (2014.10); C01P 2006/42 (2013.01);
Abstract

A platelet-shaped magnetic effect pigment is provided for use in a printing ink, and includes a layer construction with a magnetic layer and at least one optical functional layer, such that the magnetic layer is based on a magnetic material having a column-shaped nanostructure and the magnetic columns respectively have a largely uniform preferential magnetic direction deviating from the platelet plane.

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Rahm, Michael. (2024). Effect pigment, production method, value document and printing ink (U.S. Patent No. 12129382). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12129382

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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