Patents by Inventor Isabelle Legastelois

Isabelle Legastelois 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).

  • Publication number: 20230346913
    Abstract: Recombinant expression of influenza virus surface proteins in the fungus Myceliophthora thermophila strain C1 is provided. The recombinant proteins are for use in influenza vaccine compositions.
    Type: Application
    Filed: July 11, 2023
    Publication date: November 2, 2023
    Applicant: DYADIC INTERNATIONAL INC.
    Inventors: Mark EMALFARB, Teunis Cornelis Verwoerd, Mark R. Alfenito, Mark Baer, Isabelle Legastelois, Marie-Pierre Kazek, Marie-Clotilde Bernard, Jean Dubayle, Richard Kensinger
  • Patent number: 11738080
    Abstract: Recombinant expression of influenza virus surface proteins in the fungus Myceliophthora thermophila strain C1 is provided. The recombinant proteins are for use in influenza vaccine compositions.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: August 29, 2023
    Assignee: DYADIC INTERNATIONAL INC.
    Inventors: Mark Emalfarb, Teunis Cornelis Verwoerd, Mark R. Alfenito, Mark Baer, Isabelle Legastelois, Marie-Pierre Kazek, Marie-Clotilde Bernard, Jean Dubayle, Richard Kensinger
  • Publication number: 20200215183
    Abstract: Recombinant expression of influenza vims surface proteins in the fungus Myceliophthora thermophila strain Cl is provided. The recombinant proteins are for use in influenza vaccine compositions.
    Type: Application
    Filed: August 9, 2018
    Publication date: July 9, 2020
    Inventors: Mark EMALFARB, Teunis Cornelis VERWOERD, Mark R. ALFENITO, Mark BAER, Isabelle LEGASTELOIS, Marie-Pierre KAZEK, Marie-Clotilde BERNARD, Jean DUBAYLE, Richard KENSINGER
  • Patent number: 10577398
    Abstract: The present invention relates to polymerized recombinant proteins, to recombinant nucleic acids coding for the polymerized recombinant proteins, to expression cassettes comprising the recombinant nucleic acids, to host cells transformed by the expression cassettes and to a method for multimerizing a recombinant protein. The polymerized proteins of the invention may be used in pharmaceutical or immunogenic compositions. In particular, the recombinant proteins may be antigens, antibodies or scaffolds. In particular, the polymerized recombinant protein may be an influenza haemagglutinin.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: March 3, 2020
    Assignee: Sanofi Pasteur
    Inventors: Régis Sodoyer, Isabelle Legastelois
  • Publication number: 20190016760
    Abstract: The present invention relates to polymerized recombinant proteins, to recombinant nucleic acids coding for the polymerized recombinant proteins, to expression cassettes comprising the recombinant nucleic acids, to host cells transformed by the expression cassettes and to a method for multimerizing a recombinant protein. The polymerized proteins of the invention may be used in pharmaceutical or immunogenic compositions. In particular, the recombinant proteins may be antigens, antibodies or scaffolds. In particular, the polymerized recombinant protein may be an influenza haemagglutinin.
    Type: Application
    Filed: September 26, 2018
    Publication date: January 17, 2019
    Applicant: Sanofi Pasteur
    Inventors: Régis Sodoyer, Isabelle Legastelois
  • Patent number: 10118951
    Abstract: The present invention relates to polymerized recombinant proteins, to recombinant nucleic acids coding for the polymerized recombinant proteins, to expression cassettes comprising the recombinant nucleic acids, to host cells transformed by the expression cassettes and to a method for multimerizing a recombinant protein. The polymerized proteins of the invention may be used in pharmaceutical or immunogenic compositions. In particular, the recombinant proteins may be antigens, antibodies or scaffolds. In particular, the polymerized recombinant protein may be an influenza haemagglutinin.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: November 6, 2018
    Assignee: Sanofi Pasteur
    Inventors: Régis Sodoyer, Isabelle Legastelois
  • Patent number: 9982240
    Abstract: The invention relates to a method for producing influenza infectious viruses wherein CHO cells are infected with a seed of infectious influenza virus which has been generated by transfecting cells with an appropriate set of expression vectors. The invention also relates to a recombination cassette, and to a vector comprising said recombination cassette, that may be used in methods for producing infectious viruses, and particularly in the method according to the invention.
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: May 29, 2018
    Assignee: Sanofi Pasteur
    Inventors: Isabelle Legastelois, Julie Medina, Catherine Moste
  • Publication number: 20180057539
    Abstract: The present invention relates to polymerized recombinant proteins, to recombinant nucleic acids coding for the polymerized recombinant proteins, to expression cassettes comprising the recombinant nucleic acids, to host cells transformed by the expression cassettes and to a method for multimerizing a recombinant protein. The polymerized proteins of the invention may be used in pharmaceutical or immunogenic compositions. In particular, the recombinant proteins may be antigens, antibodies or scaffolds. In particular, the polymerized recombinant protein may be an influenza haemagglutinin.
    Type: Application
    Filed: December 18, 2015
    Publication date: March 1, 2018
    Applicant: Sanofi Pasteur
    Inventors: Régis SODOYER, Isabelle LEGASTELOIS
  • Publication number: 20150265695
    Abstract: The present invention relates to vaccine compositions that are useful in a method of protecting a human subject against dengue disease.
    Type: Application
    Filed: July 24, 2013
    Publication date: September 24, 2015
    Inventors: Jiansheng Yao, Yves Girerd-Chambaz, Isabelle Legastelois, Nathalie Mantel, Véronique Barban, Jean Lang, Bruno Guy
  • Publication number: 20150191703
    Abstract: The invention relates to a method for producing influenza infectious viruses wherein CHO cells are infected with a seed of infectious influenza virus which has been generated by transfecting cells with an appropriate set of expression vectors. The invention also relates to a recombination cassette, and to a vector comprising said recombination cassette, that may be used in methods for producing infectious viruses, and particularly in the method according to the invention.
    Type: Application
    Filed: July 29, 2013
    Publication date: July 9, 2015
    Inventors: Isabelle Legastelois, Julie Medina, Catherine Moste
  • Patent number: 9005623
    Abstract: The invention relates to a flu virus hemagglutinin-specific monoclonal antibody which recognizes an antigenic structure present both on the H1 and H3 subtypes of the hemagglutinins of type A flu viruses and on the hemagglutinin of type B flu viruses. Within type B flu viruses, the antigenic structure is present on the hemagglutinins of type B flu viruses belonging to the B/Victoria group and/or to the B/Yagamata group.
    Type: Grant
    Filed: October 7, 2008
    Date of Patent: April 14, 2015
    Assignee: Sanofi Pasteur, SA
    Inventors: Catherine Moste, Isabelle Legastelois, Michel Chevalier, Laurent Thion
  • Publication number: 20110212129
    Abstract: The invention relates to a method for producing flu virus according to which: a) immunizing a hen by administering a flu vaccine to the hen, b) triggering embryogenesis in one or more eggs of the immunized hen, c) infecting the one or more embryonated eggs by inoculating a flu virus into the allantoic cavity of the eggs, d) incubating the one or more infected embryonated eggs under temperature and humidity conditions that allow replication of the virus, and e) harvesting the allantoic fluid of the one or more incubated eggs containing the virus.
    Type: Application
    Filed: December 7, 2010
    Publication date: September 1, 2011
    Applicants: SANOFI PASTEUR S.A., MERIAL LIMITED
    Inventors: Catherine Gerdil, Catherine Moste, Isabelle Legastelois, Michel Marie Joseph Bublot, François-Xavier Le Gros
  • Patent number: 7871807
    Abstract: The invention relates to a method for producing flu virus according to which: a) immunizing a hen by administering a flu vaccine to the hen, b) triggering embryogenesis in one or more eggs of the immunized hen, c) infecting the one or more embryonated eggs by inoculating a flu virus into the allantoic cavity of the eggs, d) incubating the one or more infected embryonated eggs under temperature and humidity conditions that allow replication of the virus, and e) harvesting the allantoic fluid of the one or more incubated eggs containing the virus.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: January 18, 2011
    Assignee: Sanofi Pasteur, S.A.
    Inventors: Catherine Gerdil, Catherine Moste, Isabelle Legastelois, Michel Joseph Marie Bublot, Francois-Xavier Le Gros
  • Publication number: 20090092620
    Abstract: The invention relates to a flu virus hemagglutinin-specific monoclonal antibody which recognizes an antigenic structure present both on the H1 and H3 subtypes of the hemagglutinins of type A flu viruses and on the hemagglutinin of type B flu viruses. Within type B flu viruses, the antigenic structure is present on the hemagglutinins of type B flu viruses belonging to the B/Victoria group and/or to the B/Yagamata group.
    Type: Application
    Filed: October 7, 2008
    Publication date: April 9, 2009
    Applicant: SANOFI PASTEUR
    Inventors: Catherine Moste, Isabelle Legastelois, Michel Chevalier, Laurent Thion
  • Publication number: 20090081255
    Abstract: The invention relates to a method for producing flu virus according to which: a) immunizing a hen by administering a flu vaccine to the hen, b) triggering embryogenesis in one or more eggs of the immunized hen, c) infecting the one or more embryonated eggs by inoculating a flu virus into the allantoic cavity of the eggs, d) incubating the one or more infected embryonated eggs under temperature and humidity conditions that allow replication of the virus, and e) harvesting the allantoic fluid of the one or more incubated eggs containing the virus.
    Type: Application
    Filed: September 26, 2008
    Publication date: March 26, 2009
    Applicant: SANOFI PASTEUR
    Inventors: Michel Marie Joseph Bublot, Francois-Xavier Le Gros, Catherine Gerdil, Catherine Moste, Isabelle Legastelois