Patents by Inventor Ralph Leon Biemans

Ralph Leon Biemans 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: 20240131136
    Abstract: The present invention is in the field of pneumococcal capsular saccharide conjugate vaccines. Specifically, the present invention relates to sized Streptococcus pneumoniae serotype 6A capsular polysaccharides, in particular Streptococcus pneumoniae serotype 6A capsular polysaccharides having the average size (e.g. Mw) of the Streptococcus pneumoniae serotype 6A capsular polysaccharide is between 100-1000 kDa, suitably conjugated to a carrier protein.
    Type: Application
    Filed: November 1, 2023
    Publication date: April 25, 2024
    Applicant: GLAXOSMITHKLINE BIOLOGICALS SA
    Inventors: Elisabeth Marie Monique BERTAUD, Ralph Leon BIEMANS, Nicolas Jean Benoit MONIOTTE, Laurent Bernard Jean STRODIOT
  • Patent number: 11844828
    Abstract: The present invention is in the field of pneumococcal capsular saccharide conjugate vaccines. Specifically, the present invention relates to sized Streptococcus pneumoniae serotype 6A capsular polysaccharides, in particular Streptococcus pneumoniae serotype 6A capsular polysaccharides having the average size (e.g. Mw) of the Streptococcus pneumoniae serotype 6A capsular polysaccharide is between 100-1000 kDa, suitably conjugated to a carrier protein.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: December 19, 2023
    Assignee: GLAXOSMITHKLINE BIOLOGICALS SA
    Inventors: Elisabeth Marie Monique Bertaud, Ralph Leon Biemans, Nicolas Jean Benoit Moniotte, Laurent Bernard Jean Strodiot
  • Publication number: 20220354941
    Abstract: The present invention is in the field of pneumococcal capsular saccharide conjugate vaccines. Specifically, an immunogenic composition for infants is provided comprising a multivalent Streptococcus pneumoniae vaccine comprising 2 or more capsular saccharide conjugates from different serotypes, wherein the composition comprises a serotype 22F saccharide conjugate. Such a vaccine may be used in infant populations to reduce the incidence of elderly pneumococcal disease such as exacerbations of COPD and/or IPD.
    Type: Application
    Filed: June 30, 2022
    Publication date: November 10, 2022
    Applicant: GLAXOSMITHKLINE BIOLOGICALS SA
    Inventors: Ralph Leon BIEMANS, Nathalie Marie-Josephe GARCON, Philippe Vincent HERMAND, Jan POOLMAN, Marcelle Paulette VAN MECHELEN
  • Patent number: 11400147
    Abstract: The present invention is in the field of pneumococcal capsular saccharide conjugate vaccines. Specifically, an immunogenic composition for infants is provided comprising a multivalent Streptococcus pneumoniae vaccine comprising 2 or more capsular saccharide conjugates from different serotypes, wherein the composition comprises a serotype 22F saccharide conjugate. Such a vaccine may be used in infant populations to reduce the incidence of elderly pneumococcal disease such as exacerbations of COPD and/or IPD.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: August 2, 2022
    Assignee: GLAXOSMITHKLINE BIOLOGICALS SA
    Inventors: Ralph Leon Biemans, Nathalie Marie-Josephe Garcon, Philippe Vincent Hermand, Jan Poolman, Marcelle Paulette Van Mechelen
  • Publication number: 20220211859
    Abstract: This application relates to methods for the production of polysaccharide antigen-carrier protein conjugates, in particular conjugates of Group B Streptococcus (GBS) capsular polysaccharide and a carrier protein, in particular CRM197. The methods comprise a hydroxyapatite chromatography step in order to separate the conjugate from free polysaccharide and free carrier protein.
    Type: Application
    Filed: May 7, 2020
    Publication date: July 7, 2022
    Applicant: GLAXOSMITHKLINE BIOLOGICALS SA
    Inventors: Ralph Leon BIEMANS, Elisabeth Marie Monique BERTAUD
  • Patent number: 11241495
    Abstract: The present application discloses an immunogenic composition comprising N. meningitidis capsular polysaccharides from at least one of serogroups A, C, W135 and Y conjugated to a carrier protein to produce a N. meningitidis capsular polysaccharide conjugate, wherein the average size of each N. meningitidis polysaccharide is above 50 kDa.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: February 8, 2022
    Assignee: Glaxosmithkline Biologicals S.A.
    Inventors: Ralph Leon Biemans, Dominique Boutriau, Carine Capiau, Philippe Denoel, Pierre Duvivier, Jan Poolman
  • Patent number: 10669318
    Abstract: The present invention relates to a process for conjugation of an antigen.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: June 2, 2020
    Assignee: GlaxoSmithKline Biologicals S.A.
    Inventors: Ralph Leon Biemans, Pierre Duvivier, Ollivier Francis Nicolas Gavard
  • Patent number: 10646564
    Abstract: The present invention discloses an immunogenic composition comprising S. pneumoniae capsular saccharide conjugates from serotypes 19A and 19F wherein 19A is conjugated to a first bacterial toxoid and 19F is conjugated to a second bacterial toxoid. Vaccines, methods of making vaccines and uses of the vaccines are also described.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: May 12, 2020
    Assignee: GlaxoSmithKline Biologicals S.A.
    Inventors: Ralph Leon Biemans, Nathalie Marie-Josephe Garcon, Philippe Vincent Hermand, Jan Poolman, Marcelle Paulette Van Mechelen
  • Publication number: 20200000911
    Abstract: The present application discloses an immunogenic composition comprising at least 2 different N. meningitidis capsular saccharides, wherein one or more is/are selected from a first group consisting of MenA, MenC, MenY and MenW which is/are conjugated through a linker to a carrier protein(s), and one or more different saccharides is/are selected from a second group consisting of MenA, MenC, MenY and MenW which is/are directly conjugated to a carrier protein(s).
    Type: Application
    Filed: February 5, 2019
    Publication date: January 2, 2020
    Inventors: Ralph Leon Biemans, Dominique Boutriau, Carine Capiau, Philippe Denoel, Pierre Duvivier, Jan Poolman
  • Publication number: 20190298822
    Abstract: present application discloses an immunogenic composition comprising N. meningitidis capsular polysaccharides from at least one of serogroups A, C, W135 and Y conjugated to a carrier protein to produce a N. meningitidis capsular polysaccharide conjugate, wherein the average size of each N. meningitidis polysaccharide is above 50 kDa.
    Type: Application
    Filed: November 2, 2018
    Publication date: October 3, 2019
    Inventors: Ralph Leon Biemans, Dominique Boutriau, Carine Capiau, Philippe Denoel, Pierre Duvivier, Jan Poolman
  • Publication number: 20190262447
    Abstract: The present invention discloses an immunogenic composition comprising S. pneumoniae capsular saccharide conjugates from serotypes 19A and 19F wherein 19A is conjugated to a first bacterial toxoid and 19F is conjugated to a second bacterial toxoid. Vaccines, methods of making vaccines and uses of the vaccines are also described.
    Type: Application
    Filed: February 21, 2019
    Publication date: August 29, 2019
    Inventors: Ralph Leon Biemans, Nathalie Marie-Josephe Garcon, Philippe Vincent Hermand, Jan Poolman, Marcelle Paulette Van Mechelen
  • Patent number: 10279033
    Abstract: The present invention discloses an immunogenic composition comprising S. pneumoniae capsular saccharide conjugates from serotypes 19A and 19F wherein 19A is conjugated to a first bacterial toxoid and 19F is conjugated to a second bacterial toxoid. Vaccines, methods of making vaccines and uses of the vaccines are also described.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: May 7, 2019
    Assignee: GlaxoSmithKline Biologicals SA
    Inventors: Ralph Leon Biemans, Nathalie Marie-Josephe Garcon, Philippe Vincent Hermand, Jan Poolman, Marcelle Paulette Van Mechelen
  • Patent number: 10245317
    Abstract: The present application discloses an immunogenic composition comprising at least 2 different N. meningitidis capsular saccharides, wherein one or more is/are selected from a first group consisting of MenA, MenC, MenY and MenW which is/are conjugated through a linker to a carrier protein(s), and one or more different saccharides is/are selected from a second group consisting of MenA, MenC, MenY and MenW which is/are directly conjugated to a carrier protein(s).
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: April 2, 2019
    Assignee: GLAXOSMITHKLINE BIOLOGICALS S.A.
    Inventors: Ralph Leon Biemans, Dominique Boutriau, Carine Capiau, Philippe Denoel, Pierre Duvivier, Jan Poolman
  • Patent number: 10166287
    Abstract: present application discloses an immunogenic composition comprising N. meningitidis capsular polysaccharides from at least one of serogroups A, C, W135 and Y conjugated to a carrier protein to produce a N. meningitidis capsular polysaccharide conjugate, wherein the average size of each N. meningitidis polysaccharide is above 50 kDa.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: January 1, 2019
    Assignee: GLAXOSMITHKLINE BIOLOGICALS S.A.
    Inventors: Ralph Leon Biemans, Dominique Boutriau, Carine Capiau, Philippe Denoel, Pierre Duvivier, Jan Poolman
  • Publication number: 20180303923
    Abstract: The present invention is in the field of pneumococcal capsular saccharide conjugate vaccines. Specifically, the present invention relates to sized Streptococcus pneumoniae serotype 6A capsular polysaccharides, in particular Streptococcus pneumoniae serotype 6A capsular polysaccharides having the average size (e.g. Mw) of the Streptococcus pneumoniae serotype 6A capsular polysaccharide is between 100-1000 kDa, suitably conjugated to a carrier protein.
    Type: Application
    Filed: October 19, 2016
    Publication date: October 25, 2018
    Applicant: GLAXOSMITHKLINE BIOLOGICALS, SA
    Inventors: Elisabeth Marie Monique BERTAUD, Ralph Leon BIEMANS, Nicolas Jean Benoit MONIOTTE, Laurent Bernard Jean STRODIOT
  • Publication number: 20180250389
    Abstract: The present invention discloses an immunogenic composition comprising S. pneumoniae capsular saccharide conjugates from serotypes 19A and 19F wherein 19A is conjugated to a first bacterial toxoid and 19F is conjugated to a second bacterial toxoid. Vaccines, methods of making vaccines and uses of the vaccines are also described.
    Type: Application
    Filed: January 5, 2016
    Publication date: September 6, 2018
    Inventors: Ralph Leon BIEMANS, Nathalie Marie-Josephe GARCON, Philippe Vincent HERMAND, Jan POOLMAN, Marcelle Paulette VAN MECHELEN
  • Publication number: 20180207262
    Abstract: The present invention is in the field of pneumococcal capsular saccharide conjugate vaccines. Specifically, an immunogenic composition for infants is provided comprising a multivalent Streptococcus pneumoniae vaccine comprising 2 or more capsular saccharide conjugates from different serotypes, wherein the composition comprises a serotype 22F saccharide conjugate. Such a vaccine may be used in infant populations to reduce the incidence of elderly pneumococcal disease such as exacerbations of COPD and/or IPD.
    Type: Application
    Filed: January 12, 2018
    Publication date: July 26, 2018
    Inventors: Ralph Leon BIEMANS, Nathalie Marie-Josephe GARCON, Philippe Vincent HERMAND, Jan POOLMAN, Marcelle Paulette VAN MECHELEN
  • Publication number: 20180104322
    Abstract: This application relates to immunogenic compositions comprising a Staphylococcus aureus Type 5 capsular saccharide conjugated to a carrier protein to form a S. aureus Type 5 capsular saccharide conjugate.
    Type: Application
    Filed: December 5, 2017
    Publication date: April 19, 2018
    Applicant: GLAXOSMITHKLINE BIOLOGICALS, SA
    Inventors: Ralph Leon BIEMANS, Dominique BOUTRIAU, Philippe Thomas DENOEL, Pierre DUVIVIER, Carine GORAJ
  • Patent number: 9931397
    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: Grant
    Filed: June 23, 2006
    Date of Patent: April 3, 2018
    Assignee: GLAXOSMITHKLINE BIOLOGICALS S.A.
    Inventors: Ralph Leon Biemans, Dominique Boutriau, Carine Capiau, Philippe Denoel, Pierre Duvivier, Jan Poolman
  • Publication number: 20180064806
    Abstract: present application discloses an immunogenic composition comprising N. meningitidis capsular polysaccharides from at least one of serogroups A, C, W135 and Y conjugated to a carrier protein to produce a N. meningitidis capsular polysaccharide conjugate, wherein the average size of each N. meningitidis polysaccharide is above 50 kDa.
    Type: Application
    Filed: August 30, 2017
    Publication date: March 8, 2018
    Inventors: Ralph Leon Biemans, Dominique Boutriau, Carine Capiau, Philippe Denoel, Pierre Duvivier, Jan Poolman