Patents by Inventor Craig H. Barkhausen

Craig H. Barkhausen 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).

  • Latex polymer bonded crystalline molecular sieves
    Patent number: 4822492
    Abstract: Adsorbent compositions are prepared by the addition of crystalline molecular sieves to latexes. The resulting latex polymer bonded zeolites have improved attrition resistance in separations involving an aqueous medium.
    Type: Grant
    Filed: September 28, 1984
    Date of Patent: April 18, 1989
    Assignee: UOP
    Inventors: Chien C. Chao, John D. Sherman, Craig H. Barkhausen
  • Process for aqueous stream purification
    Patent number: 4786418
    Abstract: In the process for removing organic impurity constituents from aqueous media by adsorbing same on an organophilic molecular sieve adsorbent, followed by regeneration of the adsorbent by contact with an oxidant, such as hydrogen peroxide, whereby the organic adsorbate is converted to innocuous materials, principally CO.sub.2 and H.sub.2 O, the efficiency of the regeneration operation is found to be substantially improved by decreasing the pH of the regenerating medium and/or increasing the number of Bronsted acid sites in the molecular sieve adsorbent.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: November 22, 1988
    Assignee: Union Carbide Corporation
    Inventors: Desh R. Garg, Carl J. Kjellson, Brent M. Lok, Craig H. Barkhausen