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:
Jun. 26, 2012
Filed:
Jan. 31, 2007
Jean-michel Asfour, Weinheim, DE;
Stephan Schneider, Münster, DE;
Dietmar Eberhard, Kenzingen, DE;
Wolfgang Riedel, Freiburg, DE;
Dominik Giel, Freiburg im Breisgau, DE;
Stephan Völkening, Köln, DE;
Hardy Jüngermann, Düsseldorf, DE;
Jean-Michel Asfour, Weinheim, DE;
Stephan Schneider, Münster, DE;
Dietmar Eberhard, Kenzingen, DE;
Wolfgang Riedel, Freiburg, DE;
Dominik Giel, Freiburg im Breisgau, DE;
Stephan Völkening, Köln, DE;
Hardy Jüngermann, Düsseldorf, DE;
Bayer Innovation GmbH, Duesseldorf, DE;
Abstract
The present invention relates to a method for the production of polarization holograms, an apparatus for the production of polarization holograms and the use of the polarization holograms according to the invention as data stores, security features or diffractive optical elements for performing conventional optical functions.