Patents by Inventor Peter D. Arkwright

Peter D. Arkwright 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).

  • Immunosuppressive agents
    Patent number: 5294700
    Abstract: The disclosure describes novel immunosuppressive agents isolated from syncytiotrophoblast microvilli membranes by preparing a minutely subdivided and solubilized preparation of said membranes and isolating the unreduced N-linked oligosaccharides from an extract of said preparation.
    Type: Grant
    Filed: January 4, 1993
    Date of Patent: March 15, 1994
    Assignee: Monsanto Company
    Inventors: Peter D. Arkwright, Raymond A. Dwek, Christopher W. G. Redman, Graham A. W. Rook, thomas W. Rademacher
  • Method for producing immunosuppressive agents
    Patent number: 5198538
    Abstract: The disclosure describes novel immunosuppressive agents isolated from syncytiotrophoblast microvilli membranes by preparing a minutely subdivided and solubilized preparation of said membranes and isolating the unreduced N-linked oligosaccharides from an extract of said preparation.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: March 30, 1993
    Assignee: Monsanto Company
    Inventors: Peter D. Arkwright, Raymond A. Dwek, Christopher W. G. Redman, Graham A. W. Rook, Thomas W. Rademacher
  • Immunosuppressive glycoprotein
    Patent number: 5109116
    Abstract: The disclosure describes novel immunosuppressive agents isolated from syncytiotrophoblast microvilli membranes by preparing a minutely subdivided and solubilized preparation of said membranes and isolating the unreduced N-linked oligosaccharides from an extract of the preparation.
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: April 28, 1992
    Assignee: Monsanto Company
    Inventors: Peter D. Arkwright, Raymond A. Dwek, Christopher W. G. Redman, Graham A. W. Rook, Thomas W. Rademacher