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US 5,374,306 AGranted
Luster pigments based on metal oxide-coated aluminum platelets having a total carbon content of less than 0.1% by weight
AssigneeBASF SE
InventorsReinhold Schlegel, Norbert Mronga, Reinhold Rieger
Life of this patent
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Abstract
There are described luster pigments based on metal oxide-coated aluminum platelets wherein the substrate aluminum platelets have a total carbon content <0.1% by weight, and the preparation and use of these pigments.
Claims11
In luster pigments based on metal oxide-coated aluminum platelets, the improvement comprising employing as substrate aluminum platelets aluminum platelets having a total carbon content <0.1% by weight.
Dependencies are inferred from the claim text.