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).
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Publication number: 20200215183Abstract: 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: ApplicationFiled: August 9, 2018Publication date: July 9, 2020Inventors: Mark EMALFARB, Teunis Cornelis VERWOERD, Mark R. ALFENITO, Mark BAER, Isabelle LEGASTELOIS, Marie-Pierre KAZEK, Marie-Clotilde BERNARD, Jean DUBAYLE, Richard KENSINGER
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Patent number: 10577398Abstract: 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: GrantFiled: September 26, 2018Date of Patent: March 3, 2020Assignee: Sanofi PasteurInventors: Régis Sodoyer, Isabelle Legastelois
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Publication number: 20190016760Abstract: 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: ApplicationFiled: September 26, 2018Publication date: January 17, 2019Applicant: Sanofi PasteurInventors: Régis Sodoyer, Isabelle Legastelois
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Patent number: 10118951Abstract: 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: GrantFiled: December 18, 2015Date of Patent: November 6, 2018Assignee: Sanofi PasteurInventors: Régis Sodoyer, Isabelle Legastelois
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Patent number: 9982240Abstract: 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: GrantFiled: July 29, 2013Date of Patent: May 29, 2018Assignee: Sanofi PasteurInventors: Isabelle Legastelois, Julie Medina, Catherine Moste
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Publication number: 20180057539Abstract: 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: ApplicationFiled: December 18, 2015Publication date: March 1, 2018Applicant: Sanofi PasteurInventors: Régis SODOYER, Isabelle LEGASTELOIS
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Publication number: 20150265695Abstract: The present invention relates to vaccine compositions that are useful in a method of protecting a human subject against dengue disease.Type: ApplicationFiled: July 24, 2013Publication date: September 24, 2015Inventors: Jiansheng Yao, Yves Girerd-Chambaz, Isabelle Legastelois, Nathalie Mantel, Véronique Barban, Jean Lang, Bruno Guy
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Publication number: 20150191703Abstract: 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: ApplicationFiled: July 29, 2013Publication date: July 9, 2015Inventors: Isabelle Legastelois, Julie Medina, Catherine Moste
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Patent number: 9005623Abstract: 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: GrantFiled: October 7, 2008Date of Patent: April 14, 2015Assignee: Sanofi Pasteur, SAInventors: Catherine Moste, Isabelle Legastelois, Michel Chevalier, Laurent Thion
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Publication number: 20110212129Abstract: 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: ApplicationFiled: December 7, 2010Publication date: September 1, 2011Applicants: SANOFI PASTEUR S.A., MERIAL LIMITEDInventors: Catherine Gerdil, Catherine Moste, Isabelle Legastelois, Michel Marie Joseph Bublot, François-Xavier Le Gros
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Patent number: 7871807Abstract: 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: GrantFiled: September 26, 2008Date of Patent: January 18, 2011Assignee: Sanofi Pasteur, S.A.Inventors: Catherine Gerdil, Catherine Moste, Isabelle Legastelois, Michel Joseph Marie Bublot, Francois-Xavier Le Gros
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Publication number: 20090092620Abstract: 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: ApplicationFiled: October 7, 2008Publication date: April 9, 2009Applicant: SANOFI PASTEURInventors: Catherine Moste, Isabelle Legastelois, Michel Chevalier, Laurent Thion
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Publication number: 20090081255Abstract: 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: ApplicationFiled: September 26, 2008Publication date: March 26, 2009Applicant: SANOFI PASTEURInventors: Michel Marie Joseph Bublot, Francois-Xavier Le Gros, Catherine Gerdil, Catherine Moste, Isabelle Legastelois