Patents by Inventor Xifan Sun

Xifan Sun 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).

  • “Methods of using leci transcriptional activator nucleic acids”
    Patent number: 7220894
    Abstract: The invention provides methods of transforming plants and plant cells including recalcitrant cells with isolated nucleic acids encoding LEC1 transcriptional activators to induce transformation or regeneration efficiency, apomixis or somatic embryogenesis.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: May 22, 2007
    Assignees: Pioneer Hi-Bred International, Inc., E.I. du Pont de Nemours and Company
    Inventors: Keith S. Lowe, William J. Gordon-Kamm, Theodore M. Klein, Sonriza Rasco-Gaunt, Xifan Sun, George J. Hoerster
  • Isolated LEC1 transcriptional regulator encoding nucleic acids and methods of use thereof
    Patent number: 7166765
    Abstract: The invention provides isolated nucleic acids and their encoded proteins which act as transcriptional activators and methods of use thereof. The invention further provides expression cassettes, transformed host cells, transgenic plants and plant parts.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: January 23, 2007
    Assignees: Pioneer Hi-Bred International, Inc., E. I. du Pont de Nemours and Company
    Inventors: Keith S. Lowe, William J. Gordon-Kamm, Theodore M. Klein, Sonriza Rasco-Gaunt, Rebecca E. Cahoon, Xifan Sun, George J. Hoerster, Carolyn Gregory, Ramgopal Nadimpalli, Yumin Tao
  • Transcriptional activator nucleic acids, polypeptides and methods of use thereof
    Publication number: 20050034193
    Abstract: The invention provides isolated nucleic acids and their encoded proteins which act as transcriptional activators and methods of use thereof. The invention further provides expression cassettes, transformed host cells, transgenic plants and plant parts, and antibody compositions.
    Type: Application
    Filed: December 22, 2003
    Publication date: February 10, 2005
    Inventors: Keith Lowe, William Gordon-Kamm, Theodore Klein, Sonriza Rasco-Gaunt, Rebecca Cahoon, Xifan Sun, George Hoerster, Carolyn Gregory, Ramgopal Nadimpalli, Yumin Tao
  • LEC1 trancriptional activator nucleic acids and methods of use thereof
    Patent number: 6825397
    Abstract: The invention provides isolated polynucleotides and their encoded proteins which act as transcriptional activators and methods of use thereof. The invention further provides expression cassettes, transformed host cells, transgenic plants and plant parts.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: November 30, 2004
    Assignees: Pioneer Hi-Bred International, Inc., E.I. du Pont de Nemours and Company
    Inventors: Keith S. Lowe, William J. Gordon-Kamm, Theodore M. Klein, Sonriza Rasco-Gaunt, Rebecca E. Cahoon, Xifan Sun, George J. Hoerster, Carolyn A. Gregory, Ramgopal Nadimpalli
  • Transcriptional activator nucleic acids, polypeptides and methods of use thereof
    Publication number: 20040168217
    Abstract: The invention provides isolated nucleic acids and their encoded proteins which act as transcriptional activators and methods of use thereof. The invention further provides expression cassettes, transformed host cells, transgenic plants and plant parts, and antibody compositions.
    Type: Application
    Filed: December 22, 2003
    Publication date: August 26, 2004
    Applicants: Pioneer Hi-Bred International, Inc., E.I. du Pont de Nemours and Company
    Inventors: Keith S. Lowe, William J. Gordon-Kamm, Theodore M. Klein, Sonriza Rasco-Gaunt, Xifan Sun, George J. Hoerster