Patents by Inventor David James Shreck

David James Shreck 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).

  • Biodiesel processes in the presence of free fatty acids and biodiesel producer compositions
    Patent number: 7872149
    Abstract: Glyceride-containing feed for a base catalyzed transesterification with lower alkanol to make biodiesel is pretreated with glycerin separated during the transesterification to partially convert glycerides with lower alkanol contained in the separated glycerin using base catalyst in the separated glycerin while reducing the free fatty acid and phosphorus compound concentrations in the glyceride-containing feed. Unique producer compositions are provided by the pretreatment processes.
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: January 18, 2011
    Assignee: Best Energies, Inc.
    Inventors: Donald Leroy Bunning, Louis A. Kapicak, Thomas Arthur Maliszewski, David James Shreck