Patents by Inventor Françoise Leclerc

Françoise Leclerc 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 preparing functionalized polyalkyleneimines, compositions containing them and uses thereof
    Patent number: 6825341
    Abstract: The present invention relates to a process for preparing functionalized polyalkyleneimines which are useful for formulating nucleic acids intended to be transfected into cells. This process consists in treating polyalkyleneimines with a functionalized hemiacetal in the presence of titanium (IV) isopropoxide and sodium borohydride.
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: November 30, 2004
    Assignee: Gencell S.A.
    Inventors: Françoise Leclerc, Jean Herscovici, Daniel Scherman