Patents by Inventor James Alan Stapleton

James Alan Stapleton 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).

  • Cell-free extracts and synthesis of active hydrogenase
    Patent number: 7351563
    Abstract: Enzymatically active hydrogenase is synthesized in a cell-free reaction. The hydrogenases are synthesized in a cell-free reaction comprising a cell extract derived from microbial strains expressing at least one hydrogenase accessory protein. In some embodiments, the extracts are produced under anerobic conditions.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: April 1, 2008
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: James Robert Swartz, Marcus Emil Boyer, James Alan Stapleton, Alfred M. Spormann, Chia-Wei Wang