Patents by Inventor Kenneth R. Call

Kenneth R. Call 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).

  • Preparation of crystalline TiO.sub.2 as anatase and/or rutile in porous carriers
    Patent number: 4482643
    Abstract: The invention discloses a method of impregnating a porous catalyst carrier with a partially hydrolyzed aqueous methanol solution of titanium tetrachloride, and completing the hydrolysis to titanium dioxide under controlled conditions of temperature and by-product removal to obtain the desired anatase, rutile or combination anatase/rutile polymorphic form of titanium dioxide.
    Type: Grant
    Filed: July 26, 1982
    Date of Patent: November 13, 1984
    Assignee: Koppers Company, Inc.
    Inventors: Philip H. Harju, Kenneth R. Call