Patents Represented by Attorney, Agent or Law Firm Kalowv& Springut LLP
  • Methods of producing substantially anatase-free titanium dioxide with silicon halide addition
    Patent number: 6562314
    Abstract: The present invention provides methods of producing substantially anatase-free titanium dioxide by mixing titanium tetrachloride with a silicon compound to form an admixture, and introducing the admixture and oxygen into a reaction zone to produce the substantially anatase-free titanium dioxide. The reaction zone has a pressure of greater than 55 psig.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: May 13, 2003
    Assignee: Millennium Inorganic Chemicals, Inc.
    Inventors: M. Kamal Akhtar, Eric J. Eller, Nancy L. Fitzgerald, Matthew E. Jamison, John R. Snider