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US 5,472,640 AGranted
Conductive lamellar pigments
AssigneeMerck Patent GmbH
InventorsHans D. Bruckner, Reiner Esselborn
Life of this patent
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Abstract
The application relates to conductive lamellar pigments in which lamellar substrate is coated with an electrically conductive layer, characterized in that a lamellar metal oxide or a lamellar material coated with one or more metal oxides is present as the lamellar substrate and that an optionally hydrated silicon dioxide layer or a layer of another insoluble silicate is arranged between the metal oxide layer and the conductive layer.
Claims17
A conductive lamellar pigment comprising:
- a) a metal oxide-coated lamellar substrate
- b) a conductive layer;
- and
- c) between (a) and (b) a layer of an
- insoluble silicate.
2 more elements
Dependencies are inferred from the claim text.