Patents by Inventor Helene D'Hauteville

Helene D'Hauteville 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).

  • Probe for DNA and a process for the detection of "Shigellae" and entero-invasive strains of Escherichia coli
    Patent number: 4992364
    Abstract: The invention concerns a probe for the detection of shigellae and entero-invasive E. coli, containing a nucleic acid sequence originating from the 140 Mdal virulence plasmid of the M 90 T strain of Shigella flexneri; having a maximum size of around 27 kb and including all or part of the 27 kb Bam HI fragment.This probe permits the in vitro diagnosis of syndromes of dysentery or diarrhea, of the Shigellosis type.
    Type: Grant
    Filed: January 11, 1989
    Date of Patent: February 12, 1991
    Assignees: Institut Pasteur, Institut National de la Sante et de la Recherche Medicale
    Inventors: Philippe Sansonetti, Catherine Boileau, Helene D'Hauteville
  • Probe for DNA and a process for the detection of "shigellae" and entero-invasive strains of Escherichia coli
    Patent number: 4816389
    Abstract: The invention concerns a probe for the detection of shigellae and entero-invasive E. coli, containing a nucleic acid sequence originating from the 140 Mdal virulence plasmid of the M 90 T strain of Shigella flexneri; having a maximum size of around 27 kb and inlcuding all or part of the 27 kb Bam HI fragment.This probe permits the in vitro diagnosis of syndromes of dysentery or diarrhea, of the Shigellosis type.
    Type: Grant
    Filed: July 12, 1985
    Date of Patent: March 28, 1989
    Assignees: Institut Pasteur, Institut National de la Sante et de la Recherche Medicale
    Inventors: Philippe Sansonetti, Catherine Boileau, Helene D'Hauteville