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.
Type:
Application
Filed:
February 10, 2012
Publication date:
June 12, 2014
Applicant:
FABRICA NAIONAL DE MONEDA Y TIMBRE- REAL CASA DE LA MONEDA
Inventors:
Guillermo Orellana Moraleda, David García Fresnaldillo, Paloma Varela García De Oteyza, Javier Gamo Aranda, José Miguel Silván Pobes