Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas W. Rachal0
Date of Patent
May 3, 2011
Patent Application Number
11598309
Date Filed
November 13, 2006
Patent Primary Examiner
Patent abstract
Surface treated inorganic oxide pigments are provided wherein one or more of the ethylene glycol esters and diesters are applied to the surface of a base inorganic oxide pigment, for example, an anatase titanium dioxide pigment from the calciner of a conventional sulfate route process for making titanium dioxide pigments or especially a rutile titanium dioxide pigment from the oxidizer in a conventional chloride route process for making titanium dioxide pigments.
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