Process for manufacturing titanium dioxide pigment
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
N/A
app pub date -
Nov 8, 2007
filing date -
Jul 25, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A process is described for manufacturing a titanium dioxide pigment, comprising the steps of a) preparing an aqueous, high solids slurry by gathering materials including crude titanium dioxide from the oxidation of titanium tetrachloride, a dispersant and water and then mixing the gathered materials to form an about 50 to about 70 weight percent slurry of the crude titanium dioxide solids in water, b) diluting the aqueous, high solids slurry by adding a further amount of water to the high solids slurry with mixing, the resultant, lesser solids slurry still containing at least about 50 percent by weight of crude titanium dioxide solids, c) media-milling the resultant aqueous, lesser solids slurry, d) recovering the media-milled, crude titanium dioxide product and e) finishing the media-milled, crude titanium dioxide product to produce a finished titanium dioxide pigment product.
First Claim
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