Patents by Inventor David Snyder, deceased

David Snyder, deceased 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).

  • Nonpathogenic infectious bursal disease virus and vaccine
    Patent number: 5919461
    Abstract: An Infectious Bursal Disease Virus of the Delaware Variant E type having the characteristics of being able to grow on both VERO cells and CEF cells, reacting with monoclonal antibody BK9 produced by the cell line having ATCC deposit number HB-10157, not causing bursal atrophy after vaccination and not spreading to birds in physical proximity to immunized birds, said virus being identified as Delaware Variant E 89-03.
    Type: Grant
    Filed: May 28, 1996
    Date of Patent: July 6, 1999
    Assignee: Akzo Nobel N.V.
    Inventors: Piet van der Marel, Martinus A. J. Thijssen, David Snyder, deceased, Dieter Lutticken, Ruud Hein
  • Specific DNA and RNA sequences associated with US IBDV variants, vector carrying DNA sequences, host carrying cloned vector, deduced amino acid sequences, vaccine and method of vaccination
    Patent number: 5595912
    Abstract: The isolated DNA sequence for the VP2 antigenic region of IBDV, GLS strain, is expressed by incorporation in a virus carrier. Four variant DNA sequences encoding the VP2 region are provided, each of which may be used in the preparation of a vaccine to prevent IBDV in poultry.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: January 21, 1997
    Assignee: University of Maryland College Park
    Inventors: Vikram Vakharia, David Snyder, deceased