Patents by Inventor Pierre Duvivier

Pierre Duvivier 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).

  • Patent number: 8883163
    Abstract: The present application discloses an immunogenic composition comprising a Hib saccharide conjugate, at least one additional bacterial, for example N. meningitidis, saccharide conjugate(s), and a further antigen selected from the group consisting of whole cell pertussis and hepatitis B surface antigen, wherein the saccharide dose of the Hib saccharide conjugate is less than 5 ?g.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: November 11, 2014
    Assignee: GlaxoSmithKline Biologicals S.A.
    Inventors: Ralph Leon Biemans, Dominique Boutriau, Carine Capiau, Philippe Denoel, Pierre Duvivier, Jan Poolman
  • Patent number: 8858955
    Abstract: The present application discloses a method for making an immunogenic composition comprising an improved way of conducting saccharide-protein conjugation reactions using carbodiimide condensation chemistry. Depending on the nature of the saccharide or protein carrier involved, the quality of the conjugate may be improved by adding one of the reaction components slowly to the reaction mixture. In addition, the conjugate is mixed with a staphylococcal antigen. Immunogenic compositions are further provided comprising the saccharide-protein conjugates made by the methods disclosed.
    Type: Grant
    Filed: January 2, 2008
    Date of Patent: October 14, 2014
    Assignee: GlaxoSmithKline Biologicals s.a.
    Inventors: Ralph Leon Biemans, Pierre Duvivier
  • Patent number: 8846049
    Abstract: The present application discloses an improved method for conducting saccharide—protein conjugation reactions using carbodiimide condensation chemistry. Depending on the nature of the saccharide or protein carrier involved, the quality of the conjugate may be improved by adding one of the reaction components slowly to the reaction mixture. Immunogenic compositions are further provided comprising the saccharide-protein conjugates made by the methods disclosed.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: September 30, 2014
    Assignee: GlaxoSmithKline Biologicals S.A.
    Inventors: Ralph Leon Biemans, Pierre Duvivier
  • Publication number: 20140186390
    Abstract: Process for conjugation of bacterial saccharides including Streptococcus pneumoniae and Haemophilus influenzae saccharides by reductive amination are provided herein.
    Type: Application
    Filed: March 10, 2014
    Publication date: July 3, 2014
    Applicant: GLAXOSMITHKLINE BIOLOGICALS S.A.
    Inventors: Ralph Leon BIEMANS, Pierre DUVIVIER, Ollivier Francis Nicolas GAVARD
  • Publication number: 20140186389
    Abstract: Process for conjugation of bacterial saccharides including Streptococcus pneumoniae and Haemophilus influenzae saccharides by reductive amination are provided herein.
    Type: Application
    Filed: March 10, 2014
    Publication date: July 3, 2014
    Applicant: GLAXOSMITHKLINE BIOLOGICALS S.A.
    Inventors: Ralph Leon BIEMANS, Pierre DUVIVIER, Ollivier Francis Nicolas GAVARD
  • Patent number: 8753645
    Abstract: Process for conjugation of bacterial saccharides including Streptococcus pneumoniae and Haemophilus influenzae saccharides by reductive amination are provided herein.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: June 17, 2014
    Assignee: GlaxoSmithKline Biologicals S.A.
    Inventors: Ralph Leon Biemans, Pierre Duvivier, Ollivier Francis Nicolas Gavard
  • Patent number: 8703148
    Abstract: The present application relates to immunogenic compositions comprising staphylococcal PNAG which is less than 40% N-acetylated and is conjugated to a carrier protein by a linker bonded to an amine group on PNAG to form a PNAG conjugate. Vaccines, methods of treatment using and processes to make an immunogenic composition comprising PNAG and Type 5 and/or 8 capsular polysaccharides are also described.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: April 22, 2014
    Assignee: GlaxoSmithKline Biologicals S.A
    Inventors: Ralph Leon Biemans, Philippe Denoel, Pierre Duvivier, Tomas Maira-Litran, Jan Poolman
  • Publication number: 20130171188
    Abstract: The present application discloses an immunogenic composition comprising a Hib saccharide conjugate, at least one additional bacterial, for example N. meningitidis, saccharide conjugate(s), and a further antigen selected from the group consisting of whole cell pertussis and hepatitis B surface antigen, wherein the saccharide dose of the Hib saccharide conjugate is less than 5 ?g.
    Type: Application
    Filed: February 27, 2013
    Publication date: July 4, 2013
    Applicant: GLAXOSMITHKLINE BIOLOGICALS S.A.
    Inventors: Ralph Leon BIEMANS, Dominique BOUTRIAU, Carine CAPIAU, Philippe DENOEL, Pierre DUVIVIER, Jan POOLMAN
  • Patent number: 8431136
    Abstract: An immunogenic composition comprising a Hib saccharide conjugate and at least two further bacterial saccharide conjugates is provided, wherein the Hib conjugate is present in a lower saccharide dose than the mean saccharide dose of all the at least two further bacterial saccharide conjugates.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: April 30, 2013
    Assignee: GlaxoSmithKline Biologicals S.A.
    Inventors: Ralph Leon Biemans, Dominique Boutriau, Carine Capiau, Philippe Denoel, Pierre Duvivier, Jan Poolman
  • Patent number: 8398983
    Abstract: The present application discloses an immunogenic composition comprising a Hib saccharide conjugate, at least one additional bacterial, for example N. meningitidis, saccharide conjugate(s), and a further antigen selected from the group consisting of whole cell pertussis and hepatitis B surface antigen, wherein the saccharide dose of the Hib saccharide conjugate is less than 5 ug.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: March 19, 2013
    Assignee: GlaxoSmithKline Biologicals, S.A.
    Inventors: Ralph Leon Biemans, Dominique Boutriau, Carine Capiau, Philippe Denoel, Pierre Duvivier, Jan Poolman
  • Publication number: 20130004532
    Abstract: The present application discloses an improved method for conducting saccharide—protein conjugation reactions using carbodiimide condensation chemistry. Depending on the nature of the saccharide or protein carrier involved, the quality of the conjugate may be improved by adding one of the reaction components slowly to the reaction mixture. Immunogenic compositions are further provided comprising the saccharide-protein conjugates made by the methods disclosed.
    Type: Application
    Filed: April 27, 2012
    Publication date: January 3, 2013
    Inventors: Ralph Leon BIERMANS, Pierre DUVIVIER
  • Publication number: 20120321660
    Abstract: Process for conjugation of bacterial saccharides including Streptococcus pneumoniae and Haemophilus influenzae saccharides by reductive amination are provided herein.
    Type: Application
    Filed: March 7, 2011
    Publication date: December 20, 2012
    Inventors: Ralph Leon Biemans, Pierre Duvivier, Ollivier Francis Nicolas Gavard
  • Publication number: 20120321658
    Abstract: The present invention relates to an immunogenic composition comprising at least 2 different S. pneumoniae capsular saccharides, wherein one or more is/are selected from a first group consisting of serotypes 1, 3, 19A and 19F which is/are linked to a protein carrier(s) either directly or indirectly through a chemistry other than reductive amination, and one or more different saccharides is/are selected from a second group consisting of serotypes 4, 5, 6A, 6B, 7F, 9V, 14, 18C and 23F which is/are linked to a protein carrier(s) by reductive amination. Uses of such compositions are also disclosed.
    Type: Application
    Filed: August 17, 2010
    Publication date: December 20, 2012
    Inventors: Ralph Leon Biemans, Pierre Duvivier, Ollivier Francis Nicolas Gavard, Jan Poolman
  • Patent number: 8329184
    Abstract: The present application discloses an improved method for conducting saccharide-protein conjugation reactions using carbodiimide condensation chemistry. Depending on the nature of the saccharide or protein carrier involved, the quality of the conjugate may be improved by adding one of the reaction components slowly to the reaction mixture. Immunogenic compositions are further provided comprising the saccharide-protein conjugates made by the methods disclosed.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: December 11, 2012
    Assignee: GlaxoSmithKline Biologicals S.A.
    Inventors: Ralph Leon Biemans, Pierre Duvivier
  • Publication number: 20100322959
    Abstract: The present application relates to immunogenic compositions comprising staphylococcal PNAG which is less than 40% N-acetylated and is conjugated to a carrier protein by a linker bonded to an amine group on PNAG to form a PNAG conjugate. Methods of using and processes to make an immunogenic composition are also described.
    Type: Application
    Filed: March 29, 2007
    Publication date: December 23, 2010
    Applicants: GLAXOSMITHKLINE BIOLOGICALS, S.A., The Brigham & Women's Hospital Inc.
    Inventors: Ralph Leon Biemans, Philippe Denoel, Pierre Duvivier, Tomas Maira-Litran, Jan Poolman
  • Publication number: 20100303852
    Abstract: The present application describes a process for conjugating a PNAG which is less than 40% N-acetylated to a carrier protein.
    Type: Application
    Filed: March 29, 2007
    Publication date: December 2, 2010
    Inventors: Ralph Leon Biemans, Pierre Duvivier, Tomas Maira-Litran
  • Publication number: 20100215686
    Abstract: The present application discloses an improved method for conducting saccharide-protein conjugation reactions using carbodiimide condensation chemistry. Depending the nature of the saccharide or protein carrier involved, the quality of the conjugate may be improved by adding one of the reaction components slowly to the reaction mixture. Immunogenic compositions are further provided comprising the saccharide-protein conjugates made by the methods disclosed.
    Type: Application
    Filed: June 23, 2006
    Publication date: August 26, 2010
    Inventors: Ralph Leon Biemans, Pierre Duvivier
  • Publication number: 20100143399
    Abstract: The present application discloses a method for making an immunogenic composition comprising an improved way of conducting saccharide-protein conjugation reactions using carbodiimide condensation chemistry. Depending on the nature of the saccharide or protein carrier involved, the quality of the conjugate may be improved by adding one of the reaction components slowly to the reaction mixture. In addition, the conjugate is mixed with a staphylococcal antigen. Immunogenic compositions are further provided comprising the saccharide-protein conjugates made by the methods disclosed.
    Type: Application
    Filed: January 2, 2008
    Publication date: June 10, 2010
    Applicant: GLAXOSMITHKLINE BIOLOGICALS
    Inventors: Ralph Leon Biemans, Pierre Duvivier
  • Publication number: 20090311285
    Abstract: The present invention relates to immunogenic compositions or vaccines comprising a Vi capsular saccharide-protein carrier conjugate, methods of making the immunogenic compositions or vaccines and uses thereof.
    Type: Application
    Filed: January 2, 2008
    Publication date: December 17, 2009
    Inventors: Ralph Leon Biemans, Pierre Duvivier
  • Publication number: 20090252759
    Abstract: The present application relates to an immunogenic composition comprising at least 2 conjugates of N. meningitidis capsular saccharide and protein carrier, wherein said conjugates comprise at least 2 different N. meningitidis capsular saccharides selected from the group consisting of MenA, MenC, MenY and MenW, wherein at least one capsular saccharide is conjugated to a protein carrier with a saccharide:protein ratio (w/w) between 1:2-1:5, and wherein at least one different capsular saccharide is conjugated to a protein carrier with a saccharide:protein ratio (w/w) between 5:1-1:1.99.
    Type: Application
    Filed: June 23, 2006
    Publication date: October 8, 2009
    Inventors: Ralph Leon Biemans, Dominique ` Boutriau, Carine Capiau, Philippe Denoel, Pierre Duvivier, Jan Poolman