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:
Mar. 24, 2015
Filed:
Feb. 10, 2012
Guillermo Orellana Moraleda, Madrid, ES;
David García Fresnadillo, Madrid, ES;
Paloma Varela García DE Oteyza, Madrid, ES;
Javier Gamo Aranda, Madrid, ES;
José Miguel Silván Pobes, Madrid, ES;
Fernando Álvarez Martínez, Madrid, ES;
Andrés Ruiz Quevedo, Madrid, ES;
Guillermo Orellana Moraleda, Madrid, ES;
David García Fresnadillo, Madrid, ES;
Paloma Varela García De Oteyza, Madrid, ES;
Javier Gamo Aranda, Madrid, ES;
José Miguel Silván Pobes, Madrid, ES;
Fernando Álvarez Martínez, Madrid, ES;
Andrés Ruiz Quevedo, Madrid, ES;
Abstract
The present invention relates to a new family of luminescent pigments consisting of a salt of two ruthenium(II) complex ions of opposite sign charges comprising N-chelating heterocyclic ligands and to their use in security applications to prevent counterfeiting. The invention also refers to ink compositions and to the security documents or secured goods comprising said luminescent pigments.