Patents by Inventor Leo J. Novak

Leo J. Novak 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).

  • Fluorinated carbonaceous fibers
    Patent number: 4937140
    Abstract: A fiber product comprising a core of a flexible, non-flammable carbonaceous polymeric fibers having an aspect ratio greater than 10:1, and a non-electrically conductive fluorinated surface.
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: June 26, 1990
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., Leo J. Novak
  • Fluorinated carbonaceous fibers
    Patent number: 4857404
    Abstract: A fiber product comprising a core of a flexible, non-flammable carbonaceous polymeric fibers having an aspect ratio greater than 10:1, and a non-electrically conductive fluorinated surface.
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: August 15, 1989
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., Leo J. Novak
  • Multi-segmented adsorption ion exchange or gell filtration column apparatus and process
    Patent number: 4155846
    Abstract: A process and apparatus for chromatic separation of components by flowing fluid in contact with material wherein the fluid flows downwardly through a column comprising a plurality of contacting chambers each of which contain material to be contacted, and wherein each of the chambers are selectively subjected to treatment by said fluid, the material preferably comprising adsorptive, gel or ion exchange substances, or the like, and filtration material for purification and as a continuous or discontinuous process.
    Type: Grant
    Filed: October 19, 1977
    Date of Patent: May 22, 1979
    Inventors: Leo J. Novak, Paul H. Bowdle