LUMINESCENT PIGMENTS AND THEIR USE IN SECURITY APPLICATIONS

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 com...

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Hauptverfasser:	VARELA GARCIA DE OTEYZA, PALOMA, ORELLANA MORALEDA, GUILLERMO, ALVAREZ MARTINEZ, FERNANDO, RUIZ QUEVEDO, ANDRES, GARCIA FRESNADILLO, DAVID, GAMO ARANDA, JAVIER, SILVAN POBES, JOSE MIGUEL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM ADHESIVES BOOK COVERS BOOKBINDING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR DYES FILES FILLING PASTES INKS LOOSE LEAVES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MOVABLE-STRIP WRITING OR READING APPARATUS NATURAL RESINS ORGANIC CHEMISTRY PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR SPECIAL PRINTED MATTER TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	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. La présente invention concerne une nouvelle famille de pigments luminescents constitués d'un sel de deux ions complexes de ruthénium(II) de charges de signes opposés comprenant des ligands hétérocycliques N-chélateurs et leur utilisation dans des applications de sécurité pour prévenir la contrefaçon. L'invention concerne en outre des compositions d'encre et des documents de sécurité ou des marchandises sécurisées comprenant lesdits pigments luminescents.