Patents by Inventor James A. Farris

James A. Farris 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).

  • Immortal porcine cells
    Publication number: 20030232409
    Abstract: The present invention provides immortal porcine cells. The cells contain a polynucleotide encoding an exogenous telomerase reverse transcriptase polypeptide. Also provided are methods of making and using immortal porcine cells.
    Type: Application
    Filed: March 11, 2003
    Publication date: December 18, 2003
    Applicant: Regents of the University of Minnesota
    Inventors: James A. Farris, Douglas N. Foster, Scott M. O'Grady
  • Method for immortalizing chicken cells
    Patent number: 5830723
    Abstract: This invention relates to the introduction of p53 under the control of the metallothionein promoter into primary cells to produce immortalized cell lines. The cells are useful as substrates for viral propagation, as contaminant-free sources for recombinant protein production, for recombinant virus production and as cell substrates to support primary cells and improve virus yield during virus propagation.
    Type: Grant
    Filed: August 13, 1996
    Date of Patent: November 3, 1998
    Assignee: Regents of the University of Minnesota
    Inventors: Douglas N. Foster, James A. Farris, Linda K. Foster