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US 4,376,655 AGranted
Production of an optically efficient titanium slurry
AssigneeSCM Corporation
InventorLeon Weber
Life of this patent
Estimating the term…
Abstract
An aqueous slurry of titanium dioxide characterized by the presence therein of amorphous aluminum hydroxide, and a process for producing the same.
Claims7
A process for producing an aqueous slurry of titanium dioxide which comprises:
- blending particulate titanium dioxide, water, and amorphous aluminum hydroxide, and wherein the ratio of TiO.sub.2 to aluminum hydroxide is between about 1000:1 and 2000:1.
A method for improving the stability of a TiO.sub.2 pigment slurry to added carbonate which comprises blending particulate titanium dioxide, water and amorphous aluminum hydroxide containing occluded carbonate, and wherein the ratio of TiO.sub.2 to aluminum hydroxide is between about 1000:1 and 200:1.
An aqueous slurry of titanium dioxide characterized by the presence therein of amorphous aluminum hydroxide.
Dependencies are inferred from the claim text.