Patents by Inventor Nico Van Wiltenburg

Nico Van Wiltenburg 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).

  • Infectious bursitis vaccine
    Patent number: 7211260
    Abstract: The present invention is concerned with isolated infectious bursitis (or bursal) disease virus(es) and a vaccine containing said virus(es) which is capable of protecting poultry against disease caused by infectious bursitis virus, characterized in that the vaccine virus(es) has/have the combined properties of, upon administration to a chicken, causing a reduction in the bursal size, expressed as bursa/body weight ratio, of less than 55%, and the capability to protect poultry having an ELISA antibody titer of at least about 500.
    Type: Grant
    Filed: January 29, 1998
    Date of Patent: May 1, 2007
    Assignee: Wyeth Holdings Corporation
    Inventors: Frans Gerrit Davelaar, Bernarda Johanna Pitstra, Nico Van Wiltenburg
  • Live newcastle disease virus vaccines
    Patent number: 5149530
    Abstract: The invention relates to a live virus vaccine against Newcastle Disease containing at least .sup.10 log 5.5 EID.sub.50 per dose of the strain NDW, deposited at the CNCM of Institut Pasteur in Paris under accession no. I-781.
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: September 22, 1992
    Assignee: Duphar International Research B.V.
    Inventor: Nico van Wiltenburg