Patents by Inventor Pedro Villegas

Pedro Villegas 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).

  • Naturally attenuated Newcastle disease vaccine and method of using the same
    Patent number: 5118502
    Abstract: A Newcastle disease vaccine and method of using the vaccine for protecting a poultry animal from Newcastle disease is provided. The vaccine consists of a naturally attenuated live Newcastle disease virus which has the identifying characteristics of ATCC No. VR 2239. The vaccine is capable of conferring solid immunity against Newcastle disease and causes minimal respiratory or other undesirable reactions in inoculated animals.
    Type: Grant
    Filed: June 20, 1989
    Date of Patent: June 2, 1992
    Assignee: The University of Georgia Research Foundation, Inc.
    Inventors: John R. Glisson, Pedro Villegas
  • Avian proventriculitis vaccine
    Patent number: 4559229
    Abstract: A process of preparing a vaccine capable of protecting poultry against avian proventriculitis which comprises: separating proventriculitis reovirus from reovirus-carrying tissue of a poultry animal diseased with proventriculitis; inoculating a cell culture capable of sustaining the growth and replication of the reovirus; extracting the virus from cellular and nonviral components, and rendering the reovirus into a form suitable for administration to poultry, yields a vaccine and an immunization method.
    Type: Grant
    Filed: July 20, 1982
    Date of Patent: December 17, 1985
    Assignee: Research Foundation
    Inventors: Robert K. Page, Pedro Villegas, Caswell S. Eidson, Daniel Gaudry