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US 5,858,080 AGranted
Bismuth vanadate pigments
AssigneeCiba Specialty Chemicals Corporation
InventorPhilippe Bugnon
Life of this patent
Estimating the term…
Abstract
Bismuth vanadate pigments, the particle surface of which is coated with 1 to 20% by weight of polyvinyl alcohol, based on the amount of pigment. Bismuth vanadate pigments of this kind are distinguished, in particular in aqueous paint systems, by excellent tinctorial strength and chroma as well as by the high gloss of the finishes obtained therewith.
Claims9
A bismuth vanadate pigment, the particle surface of which is coated with 1 to 20% by weight of polyvinyl alcohol, based on the amount of pigment.
Dependencies are inferred from the claim text.