Patents by Inventor Richard D. Keating

Richard D. Keating 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).

  • Method for removal of water soluble organics from oil process water
    Patent number: 5439592
    Abstract: A method for removal of water soluble organics from acidified oil process water is disclosed. The method comprises a step in which free oil is removed from such water by water-wet ultrafiltration to produce a water-rich filtrate stream which is then directed through a reverse osmosis membrane to produce a WSO-depleted stream and a WSO-rich reject stream. The method includes a recycle stream.
    Type: Grant
    Filed: September 1, 1994
    Date of Patent: August 8, 1995
    Assignee: Petrolite Corporation
    Inventors: Thomas J. Bellos, Richard D. Keating
  • Resolution of emulsions formed in the production of pharmaceuticals
    Patent number: 5013452
    Abstract: A method for resolving emulsions produced in preparation of pharmaceuticals by fermentation and in other such bioprocesses is disclosed. The method comprises adding an effective amount of a demulsifier to an emulsion containing fermentation product that includes a pharmaceutical which is desired to be extracted from the emulsion.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: May 7, 1991
    Assignee: Petrolite Corporation
    Inventors: Thomas J. Bellos, Richard D. Keating