Patents by Inventor Diana L. Scott

Diana L. Scott 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).

  • Amorphous precipitated silica having large liquid carrying capacity
    Patent number: 5906843
    Abstract: Substantially dry free-flowing particles of amorphous precipitated silica have large sizes and large carrying capacities for organic liquids, and they contain little or no dust.
    Type: Grant
    Filed: June 3, 1997
    Date of Patent: May 25, 1999
    Assignee: PPG Industries, Inc.
    Inventors: James T. Dew, Larry R. Evans, Diana L. Scott, Walter H. Waddell