POUDRE PIGMENTAIRE A BASE DE LANTHANIDES

The present invention relates to a pigment powder comprising lanthanide(s), characterized in that the lanthanide takes the form of lanthanide hydroxide, oxide and/or oxyhydroxide nanoparticles having a size less than 200 nm and a density greater than 6 and comprising more than 65 wt% lanthanide elem...

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Bibliographische Detailangaben
Hauptverfasser:	QUINSAC AXELLE, LOUIS CEDRIC, ROSSET HENRI, TILLEMENT OLIVIER
Format:	Patent
Sprache:	fre
Schlagworte:	ADHESIVES CHECKING-DEVICES CHEMISTRY COLOUR PRINTING COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS DYES HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING IMPREGNATING OR COATING OF PAPER INORGANIC CHEMISTRY LINING MACHINES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PHYSICS POLISHES PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES PRODUCTION OF CELLULOSE PULP COMPOSITIONS STAMPS TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TYPEWRITERS
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Beschreibung
Zusammenfassung:	The present invention relates to a pigment powder comprising lanthanide(s), characterized in that the lanthanide takes the form of lanthanide hydroxide, oxide and/or oxyhydroxide nanoparticles having a size less than 200 nm and a density greater than 6 and comprising more than 65 wt% lanthanide element, said lanthanide being chosen from holmium, neodymium and mixtures thereof.