$Interference pigments for security uses have alternating high and low refractive index metal oxide layers wet deposited on a transparent carrier and give novel three-tone effects$

Interference pigments for security uses have alternating high and low refractive index metal oxide layers wet deposited on a transparent carrier and give novel three-tone effects

Multi-layered interference pigments for security use comprise transparent carrier with alternating high and low refractive index (RI) colorless, non-absorbing metal oxides. RI difference is \- 0.1. The pigment is obtained by an alternating wet process involving hydrolysis of water-soluble inorganic...

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Bibliographische Detailangaben
Hauptverfasser:	BRUECKNER, HANS-DIETER, KUNTZ, MATTHIAS
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DECORATIVE ARTS DYES FILLING PASTES INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INKS INORGANIC CHEMISTRY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PREPARATION OF CARBON BLACK SPECIAL DESIGNS OR PICTURES TRANSPORTING TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF MATERIALS THEREFOR WOODSTAINS
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