Patents by Inventor Pierre Precausta

Pierre Precausta 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).

  • Process for the cultivation of viruses
    Patent number: 4169761
    Abstract: Viruses, especially rabies virus, can be cultivated on an industrial scale using a fermenter containing a suspension of cells and also collagen fibres.
    Type: Grant
    Filed: June 23, 1978
    Date of Patent: October 2, 1979
    Assignee: Institut Merieux
    Inventors: Pierre Precausta, Marc Bugand, Philippe Comte, Georges Zwingelstein
  • Vaccine for viral pericardite in barbary ducks
    Patent number: 3950511
    Abstract: A vaccine against viral pericardite in Barbary ducks, also known as Carina Moschata or Muscovy ducks, comprises particles of "virus K" resulting from a succession of passages of said particles on embryo eggs or cells or both.
    Type: Grant
    Filed: October 3, 1974
    Date of Patent: April 13, 1976
    Assignee: Institut Merieux
    Inventors: Daniel Gaudry, Pierre Precausta