Patents by Inventor Jefry E. Shields

Jefry E. Shields 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).

  • Method for the extraction of intracellular proteins from a fermentation broth
    Patent number: 7935798
    Abstract: A method for extracting an intracellular peptide, protein or other polypeptide from a whole fermentation broth using a water miscible alcohol, or a water miscible or partially water miscible glycol ether.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: May 3, 2011
    Assignee: Dow Global Technologies LLC
    Inventors: Timothy C. Frank, Felipe A. Donate, Jefry E. Shields, Kai Li, Jeffrey R. Allen
  • Method for the extraction of intracellular proteins from a fermentation broth
    Publication number: 20090023902
    Abstract: A method for extracting an intracellular peptide, protein or other polypeptide from a whole fermentation broth using a water miscible alcohol, or a water miscible or partially water miscible glycol ether.
    Type: Application
    Filed: February 18, 2005
    Publication date: January 22, 2009
    Inventors: Timothy C. Frank, Felipe A. Donate, Jefry E. Shields, Kai Li, Jeffrey R. Allen