Patents by Inventor Dennis Adkesson

Dennis Adkesson 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).

  • Purification of biologically-produced 1,3-propanediol
    Publication number: 20050069997
    Abstract: A process for purifying 1,3-propanediol from the fermentation broth of a cultured E. coli that has been bioengineered to synthesize 1,3-propanediol from sugar is provided. The basic process entails filtration, ion exchange and distillation of the fermentation broth product stream, preferably including chemical reduction of the product during the distillation procedure. Also provided are highly purified compositions of 1,3-propanediol.
    Type: Application
    Filed: May 5, 2004
    Publication date: March 31, 2005
    Inventors: Dennis Adkesson, Albert Alsop, Tyler Ames, Luis Chu, James Disney, Bryan Dravis, Patrick Fitzgibbon, James Gaddy, F. Gallagher, William Lehnhardt, Jefferson Lievense, Michael Luyben, Mayis Seapan, Robert Trotter, Gregory Wenndt, Eugene Yu