Patents by Inventor Jean Djiane

Jean Djiane 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).

  • Leptin antagonists
    Patent number: 7307142
    Abstract: The invention relates to synthetic leptin antagonists in which at least two amino acid residues of the sequence LDFI/S of the hydrophobic binding site at positions 39-42 of a leptin polypeptide sequence are substituted with different amino acid residues such that the site becomes less hydrophobic, and fragments of said leptin antagonists.
    Type: Grant
    Filed: November 26, 2004
    Date of Patent: December 11, 2007
    Assignees: Yissum Research and Development Company of the Hebrew University of Jerusalem, Universités Paris 6 et Paris 7, Institut Nationale de la Recherche Agronomique (INRA)
    Inventors: Arieh Gertler, Isabelle Callebaut, Jean Djiane
  • Leptin antagonists
    Publication number: 20060154859
    Abstract: The invention relates to synthetic leptin antagonists in which at least two amino acid residues of the sequence LDFI/S of the hydrophobic binding site at positions 39-42 of a leptin polypeptide sequence are substituted with different amino acid residues such that the site becomes less hydrophobic, and fragments of said leptin antagonists.
    Type: Application
    Filed: November 26, 2004
    Publication date: July 13, 2006
    Applicants: Yissum Research Development Company of The Hebrew University of Jerusalem, Universites Paris 6 et Paris 7, Institut Nationale de la Recherche Agronomique (INRA)
    Inventors: Arieh Gertler, Isabelle Callebaut, Jean Djiane
  • C-DNA encoding human prolactin receptor
    Patent number: 4992378
    Abstract: Isolation and cloning of the cDNA sequence of the human prolactin receptor nd the development of the cDNA sequence in a plasmid vector capable of transforming cell lines that will produce the human prolactin receptor.
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: February 12, 1991
    Assignee: The Royal Institution for the Advancement of Learning (McGill University)
    Inventors: Paul A. Kelly, Jean Djiane