Patents by Inventor Sharon J. Keeler

Sharon J. Keeler 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).

  • Patent number: 7550430
    Abstract: The invention described herein relates to compositions of novel antimicrobial peptides. The peptides of the present invention exhibit high antibacterial activity and low hemolytic activity. The invention further provides compositions comprising these antimicrobial peptides and methods of use thereof for killing, reducing the growth of, or preventing the growth of microorganisms. The invention also provides antimicrobial substrates and articles comprising the peptides of the present invention.
    Type: Grant
    Filed: August 18, 2004
    Date of Patent: June 23, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Sharon J. Keeler, Helen S. M. Lu
  • Patent number: 5559223
    Abstract: There is provided synthetic nucleic acid fragments for the altered expression of selected nutritionally-important proteins in plants. These nucleic acid fragments may be used to transform plants, particularly crop plants, to increase the lysine and methionine content of seeds or leaves. The invention is of significant interest for the nutritional improvement of corn which is low in lysine and sulfur amino acid-poor plants, such as corn and soybean. There is also provided chimeric genes, host cells, plants, seeds and microorganisms containing the nucleic acid fragment as well as methods for obtaining the expression of particular proteins in plants and microorganisms.
    Type: Grant
    Filed: February 3, 1994
    Date of Patent: September 24, 1996
    Assignee: E. I. DuPont de Nemours and Company
    Inventors: Saverio C. Falco, Sharon J. Keeler, Janet A. Rice