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:
Nov. 24, 2015
Filed:
Jun. 01, 2012
Juan José Romero Fanego, Madrid, ES;
Vicente García Juez, Madrid, ES;
José Francisco Fernández Lozano, Madrid, ES;
Javier Gamo Aranda, Madrid, ES;
Miguel Ángel Rodríguez Barbero, Madrid, ES;
Andrés Ruiz Quevedo, Madrid, ES;
Israel Lorite Villalba, Madrid, ES;
Juan José Romero Fanego, Madrid, ES;
Vicente García Juez, Madrid, ES;
José Francisco Fernández Lozano, Madrid, ES;
Javier Gamo Aranda, Madrid, ES;
Miguel Ángel Rodríguez Barbero, Madrid, ES;
Andrés Ruiz Quevedo, Madrid, ES;
Israel Lorite Villalba, Madrid, ES;
Abstract
The present invention relates to the use of non deactivable security markers comprising the combination of at least two types of nanoparticles of materials presenting Raman effect, wherein said nanoparticles are in a dispersed state or is forming agglomerates of between 2 and 500 nanoparticles. The invention also relates to security documents, articles or elements incorporating these markers, as well as to a method and system for the detection thereof.