OPAQUE PIGMENT FLAKES CONTAINING SYMBOLS FOR COVERT SECURITY APPLICATIONS

A coating composition comprising:a carrier,base pigment particles, andcovert pigment flakes dispersed in the carrier, less than 10 microns, and having a selected shape,wherein the covert pigment flakes comprise a magnetic layer between two reflective layers, andwherein the selected shape is not disc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ARGOITIA, Alberto
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION OF CARBON BLACK TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A coating composition comprising:a carrier,base pigment particles, andcovert pigment flakes dispersed in the carrier, less than 10 microns, and having a selected shape,wherein the covert pigment flakes comprise a magnetic layer between two reflective layers, andwherein the selected shape is not discernable by unaided human vision, but can be viewed under 50X to 300X magnification, and wherein a shape of a flake of the covert pigment flakes is rectangular.