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US 5,474,605 AGranted
Doubly gas-phase passivated metallic pigments
AssigneeBASF SE
InventorsRaimund Schmid, Norbert Mronga, Harald Keller, Juan A. G. Gomez
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Abstract
Passivated metallic pigments obtainable by gas-phase decomposition of volatile phosphorus compounds and of volatile nitrogenous silicon compounds with steam and/or oxygen in the presence of the agitated pigment particles, and the production of these pigments and their use for coloring water-based printing inks, other inks and paints.
Claims10
A passivated metallic pigment obtained by gas-phase decomposition of volatile phosphorus compounds and of volatile nitrogenous silicon compounds with steam and/or oxygen in the presence of the agitated metallic pigment particles.
Dependencies are inferred from the claim text.