Patents by Inventor Herve Chalumeau

Herve Chalumeau 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).

  • Method for preparing an influenza virus, antigens obtained and applications thereof
    Patent number: 6048537
    Abstract: Method for preparing purified influenza antigens from a fluid containing influenza virus, comprising the steps of concentration, purification, fragmentation and, where appropriate, inactivation, characterized in that:A. either the purification step entails several ultracentrifugation steps separated by a filtration step,B. or the fragmentation step is performed on the live virus in the presence of an amphiphilic nonionic detergent, followed by a removal of undesirable substances by filtration, retaining all of the viral constituents,or these two steps are carried out in any order.
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: April 11, 2000
    Assignee: Pasteur Merieux Serums et Vaccins
    Inventors: Jean Michel Violay, Guy Court, Catherine Gerdil, Herve Chalumeau, Patric McVerry