Patents by Inventor Elizabeth H. Harris

Elizabeth H. Harris 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: 6346656
    Abstract: Provided are methods for conferring resistance to porphyrin-accumulating type herbicides upon plant or algal cells using DNA fragments or biologically functional equivalents thereof isolated from Chlamydomonas reinhardtii, and herbicide-resistant plants or algae into which these DNA fragments or biologically functional equivalents thereof have been introduced and in which they are expressed.
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: February 12, 2002
    Assignees: Sumitomo Chemical Company, Ltd., Duke University
    Inventors: Ryo Sato, John Boynton, Nicholas W. Gillham, Elizabeth H. Harris
  • Patent number: 6160206
    Abstract: Provided are DNA fragments and biologically functional equivalents thereof that confer resistance to porphyrin-accumulating type herbicides upon plant and algal cells, plasmids containing these DNA fragments or biologically functional equivalents thereof, microorganisms containing these DNA fragments or biologically functional equivalents thereof, methods for conferring resistance to porphyrin-accumulating type herbicides upon plant or algal cells using these DNA fragments or biologically functional equivalents thereof, and herbicide-resistant plants or algae into which these DNA fragments or biologically functional equivalents thereof have been introduced and in which they are expressed.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: December 12, 2000
    Assignees: Sumitomo Chemical Company, Ltd., Duke University
    Inventors: Ryo Sato, John Boynton, Nicholas W. Gillham, Elizabeth H. Harris