Patents by Inventor Christian F. Stafford

Christian F. Stafford 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: 7022371
    Abstract: A novel DNA is provided which encodes an enzyme having phytase activity isolated from Penicillium. Also provided for is a method of isolating DNA encoding an enzyme having phytase activity from organisms which possess such DNA, transformation of the DNA into a suitable host organism, expression of the transformed DNA and the use of the expressed phytase protein in feed as a supplement.
    Type: Grant
    Filed: August 26, 2002
    Date of Patent: April 4, 2006
    Assignees: Genencor International, Inc., University of Manchester
    Inventors: Christian F. Stafford, Anthony P. J. Trinci, Jayne L. Brookman
  • Publication number: 20030124700
    Abstract: A novel DNA is provided which encodes an enzyme having phytase activity isolated from Penicillium. Also provided for is a method of isolating DNA encoding an enzyme having phytase activity from organisms which possess such DNA, transformation of the DNA into a suitable host organism, expression of the transformed DNA and the use of the expressed phytase protein in feed as a supplement.
    Type: Application
    Filed: August 26, 2002
    Publication date: July 3, 2003
    Inventors: Christian F. Stafford, Anthony P.J. Trinci, Jayne L. Brookman
  • Patent number: 6475762
    Abstract: A novel DNA is provided which encodes an enzyme having phytase activity isolated from Penicillium. Also provided for is a method of isolating DNA encoding an enzyme having phytase activity from organisms which possess such DNA, transformation of the DNA into a suitable host organism, expression of the transformed DNA and the use of the expressed phytase protein in feed as a supplement.
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: November 5, 2002
    Assignee: Genencor International, Inc.
    Inventors: Christian F. Stafford, Anthony P. J. Trinci, Jayne L. Brookman