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:
Feb. 28, 2017
Filed:
Mar. 30, 2012
Vicente Garcia Juez, Madrid, ES;
Jose Francisco Fernandez Lozano, Madrid, ES;
Javier Gamo Aranda, Madrid, ES;
Miguel Angel Rodriguez Barbero, Madrid, ES;
Juan José Romero Fanego, Madrid, ES;
Vicente Garcia Juez, Madrid, ES;
Jose Francisco Fernandez Lozano, Madrid, ES;
Javier Gamo Aranda, Madrid, ES;
Miguel Angel Rodriguez Barbero, Madrid, ES;
Juan José Romero Fanego, Madrid, ES;
Abstract
The present invention relates to the use of non-deactivatable security compositions comprising the combination of at least two types of particles of oxide materials, where said particles have a different size and/or morphology, and where the inorganic oxide materials have at least one transition metal or one lanthanide element, and radiofrequency wave absorption properties. The invention also relates to security articles, documents or elements incorporating these compositions, as well as to a method and to a system for detection thereof.