Patents by Inventor Paul W. Shepperd, III

Paul W. Shepperd, III 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).

  • Oil extraction aids in grain processing
    Patent number: 9353332
    Abstract: A method is provided for the use of a process additive system to improve the separation of oil from a process stream (whole stillage, thin stillage, or syrup) generated as a byproduct in grain to ethanol production.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: May 31, 2016
    Assignee: Solenis Technologies, L.P.
    Inventors: Scott R Lewis, Paul W. Shepperd, III
  • Oil extraction aids in grain processing
    Publication number: 20150184112
    Abstract: A method is provided for the use of a process additive system to improve the separation of oil from a process stream (whole stillage, thin stillage, or syrup) generated as a byproduct in grain to ethanol production.
    Type: Application
    Filed: August 29, 2014
    Publication date: July 2, 2015
    Inventors: Scott R. Lewis, Paul W. Shepperd, III
  • Process for dye removal
    Patent number: 5750035
    Abstract: A process for dye removal from effluent is disclosed which includes treating the effluent with a reducing agent, adjusting the pH to a selected value in the range of 2-7, treating the effluent with a particular charge neutralization mixture, adjusting the pH a second time and subjecting the mixture to a flocculating process with selected chemicals.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: May 12, 1998
    Assignee: Hoechst Celanese Corporation
    Inventors: Paul W. Shepperd, III, Larry W. Becker, Robert J. Cundiff
  • Process for dye removal
    Patent number: 5611934
    Abstract: A process for dye removal from effluent is disclosed which includes treating the effluent with a reducing agent, adjusting the pH to a selected value in the range of 2-7, treating the effluent with a particular charge neutralization mixture, adjusting the pH a second time and subjecting the mixture to a flocculating process with selected chemicals.
    Type: Grant
    Filed: December 18, 1995
    Date of Patent: March 18, 1997
    Assignee: Hoechst Celanese Corporation
    Inventors: Paul W. Shepperd, III, Larry W. Becker, Robert J. Cundiff
  • Brightening color dyed wastepaper with a bleaching agent and a quaternary compound
    Patent number: 5580422
    Abstract: A method for brightening fiber from colored waste paper comprising bleaching pulp from colored waste paper with sodium hydrosulfite, formamidine sulfinic acid, or hydrogen peroxide in the presence of a selected quaternary compound.
    Type: Grant
    Filed: July 27, 1993
    Date of Patent: December 3, 1996
    Assignee: Hoechst Celanese Corporation
    Inventors: Glynn A. Hamilton, Paul W. Shepperd, III
  • Enhanced decolorization of waste paper with selected amines
    Patent number: 5560805
    Abstract: A method for bleaching pulp containing pulp from color dyed waste paper, wherein the method comprises bleaching the pulp with a bleaching chemical, especially sodium hydrosulfite, in the presence of a selected ethoxylated amine.
    Type: Grant
    Filed: July 27, 1993
    Date of Patent: October 1, 1996
    Assignee: Hoechst Celanese Corporation
    Inventors: Glynn A. Hamilton, Paul W. Shepperd, III