Patents by Inventor Piet Van Der Marel

Piet Van Der Marel 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).

  • Inactivated infectious bursal disease vaccine
    Patent number: 6129920
    Abstract: The present invention is concerned with Infectious bursitis virus (IBDV) vaccines containing IBDV antigen material which is derived from a mammalian cell line infected with IBDV.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: October 10, 2000
    Assignee: Akzo Nobel
    Inventors: Piet Van Der Marel, Pieter Gerardus Mooren
  • 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
  • Production of infectious bursal disease virus in mammalian cell line
    Patent number: 5602022
    Abstract: A method of producing infectious bursal disease virus comprising culturing infectious bursal disease virus in a mammalian cell line for two to ten days.
    Type: Grant
    Filed: November 20, 1992
    Date of Patent: February 11, 1997
    Assignee: Akzo Nobel, N.V.
    Inventors: Piet Van Der Marel, Pieter G. Mooren
  • Infectious bursal disease virus production in continuous cell lines
    Patent number: 5192539
    Abstract: Infectious bursal disease virus vaccine free of avian cell material comprising inactivated virus or live virus that induces a protective immune response when administered to poultry by noninjection means.
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: March 9, 1993
    Assignee: Akzo N.V.
    Inventors: Piet Van Der Marel, Pieter G. Mooren