Patents by Inventor Jean Herscovici

Jean Herscovici 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
  • Lipid derivatives of polythiourea
    Patent number: 6812218
    Abstract: The present invention relates to novel compounds which make it possible to transfer nucleic acids into cells. These novel compounds are lipid derivatives of polythiourea. They are useful for the in vitro, ex vivo or in vivo transfection of nucleic acids into various cell types.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: November 2, 2004
    Assignee: Gencell S.A.
    Inventors: Jean Herscovici, Daniel Scherman, Isabelle Tranchant, Nathalie Mignet, Christian Girard
  • Lipid derivatives of polythiourea
    Publication number: 20030065033
    Abstract: The present invention relates to novel compounds which make it possible to transfer nucleic acids into cells. These novel compounds are lipid derivatives of polythiourea. They are useful for the in vitro, ex vivo or in vivo transfection of nucleic acids into various cell types.
    Type: Application
    Filed: May 14, 2002
    Publication date: April 3, 2003
    Inventors: Jean Herscovici, Daniel Scherman, Isabelle Tranchant, Nathalie Mignet, Christian Girard
  • Process for preparing functionalized polyalkyleneimines, compositions containing them and uses thereof
    Publication number: 20010031498
    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: Application
    Filed: February 16, 2001
    Publication date: October 18, 2001
    Inventors: Francoise Leclercq, Jean Herscovici, Daniel Scherman