Patents by Inventor Richard B. Stalzer

Richard B. Stalzer 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).

  • Patent number: 4885079
    Abstract: A process is disclosed for separating an organic material from a composition comprising said organic material intermixed with particulate solids, the process comprising advancing a light hydrocarbon fluid through said particulate solids at an effective rate to drive said organic material from said particulate solids.
    Type: Grant
    Filed: March 7, 1989
    Date of Patent: December 5, 1989
    Assignee: The Standard Oil Company
    Inventors: Christopher P. Eppig, Stephen C. Paspek, Richard B. Stalzer
  • Patent number: 4842715
    Abstract: A process is disclosed for separating an organic material from a composition comprising said organic material intermixed with particulate solids, the process comprising advancing a light hydrocarbon fluid through said particulate solids at an effective rate to drive at least some of said organic material from said particulate solids, adding water to said composition containing particulate solids and residual organic material to produce a second composition, and adding an oxidizing agent to said second composition in an amount sufficient to remove substantially all of the residual organic material.
    Type: Grant
    Filed: December 14, 1987
    Date of Patent: June 27, 1989
    Assignee: The Standard Oil Company
    Inventors: Stephen C. Paspek, Jr., Jeffrey B. Hauser, Christopher P. Eppig, Richard B. Stalzer