Patents by Inventor Nancy L. Fitzgerald

Nancy L. Fitzgerald has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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
  • Methods of producing substantially anatase-free titanium dioxide with silicon halide addition
    Publication number: 20020114761
    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: Application
    Filed: February 20, 2001
    Publication date: August 22, 2002
    Inventors: M. Kamal Akhtar, Eric J. Eller, Nancy L. Fitzgerald, Matthew E. Jamison, John R. Snider