Patents by Inventor Bruno Bujoli

Bruno Bujoli 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: 20220323639
    Abstract: A bone cement paste containing a powder component comprising ?-tricalcium phosphate (?-TCP) particles having an average size greater than or equal to 9 ?m, and a liquid component comprising blood is disclosed. A method for preparation of the phosphocalcic cement composition is also disclosed.
    Type: Application
    Filed: June 21, 2022
    Publication date: October 13, 2022
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE NANTES, ONIRIS, GRAFTYS
    Inventors: Jean-Michel BOULER, Olivier GAUTHIER, Bruno BUJOLI, Pascal JANVIER, Charlotte MELLIER
  • Publication number: 20220273841
    Abstract: A bone cement composition including a powder component, a liquid component, and hyaluronic acid (HA) or a salt thereof in an amount ranging from 0.01% to 10% w/w in the powder component and/or in the liquid component. The powder component includes calcium phosphate compounds having at least alpha-tricalcium phosphate (?-TCP) and having at least calcium-deficient apatite (CDA). Also, a bone cement obtainable by a process including the following steps: (i) the preparation of a cement composition by mixing the powder component, and the liquid component and (ii) the setting of the cement composition. Further, the use in vitro or ex vivo of a bone cement composition or bone cement in the manufacture of a dental or bony implant.
    Type: Application
    Filed: July 17, 2020
    Publication date: September 1, 2022
    Applicants: GRAFTYS, UNIVERSITE DE NANTES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Enrico Javier BASTIANELLI, Jean-Michel BOULER, Bruno BUJOLI
  • Patent number: 11395862
    Abstract: A bone cement paste containing a powder component comprising ?-tricalcium phosphate (?-TCP) particles having an average size greater than or equal to 9 ?m, and a liquid component comprising blood is disclosed. A method for preparation of the phosphocalcic cement composition is also disclosed.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: July 26, 2022
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE NANTES, ONIRIS, GRAFTYS
    Inventors: Jean-Michel Bouler, Olivier Gauthier, Bruno Bujoli, Pascal Janvier, Charlotte Mellier
  • Patent number: 11338054
    Abstract: A method for promoting spine fusion inside intersomatic cages, comprising placing a fusion cage between two vertebral bodies, and injecting a bone cement paste inside said fusion cage, said bone cement paste containing a powder component comprising ?-tricalcium phosphate (?-TCP) particles having an average size greater than or equal to 9 ?m, and a liquid component comprising blood.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: May 24, 2022
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE NANTES, ONIRIS, GRAFTYS
    Inventors: Jean-Michel Bouler, Olivier Gauthier, Bruno Bujoli, Pascal Janvier, Charlotte Mellier
  • Publication number: 20190365945
    Abstract: A method for promoting spine fusion inside intersomatic cages, comprising placing a fusion cage between two vertebral bodies, and injecting a bone cement paste inside said fusion cage, said bone cement paste containing a powder component comprising ?-tricalcium phosphate (?-TCP) particles having an average size greater than or equal to 9 ?m, and a liquid component comprising blood.
    Type: Application
    Filed: August 14, 2019
    Publication date: December 5, 2019
    Inventors: Jean-Michel Bouler, Olivier Gauthier, Bruno Bujoli, Pascal Janvier, Charlotte Mellier
  • Publication number: 20190134261
    Abstract: A bone cement paste containing a powder component comprising ?-tricalcium phosphate (?-TCP) particles having an average size greater than or equal to 9 ?m, and a liquid component comprising blood is disclosed. A method for preparation of the phosphocalcic cement composition is also disclosed.
    Type: Application
    Filed: April 6, 2017
    Publication date: May 9, 2019
    Inventors: Jean-Michel Bouler, Olivier Gauthier, Bruno Bujoli, Pascal Janvier, Charlotte Mellier
  • Patent number: 9913928
    Abstract: The present invention relates to a macroporous, resorbable and injectable apatitic calcium-phosphate cement with a high compressive strength useful as bone cement and releasing a bone resorption inhibitor, preparation method and uses thereof.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: March 13, 2018
    Assignees: GRAFTYS, UNIVERSITE DE NANTES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.)
    Inventors: Jean-Michel Bouler, Bruno Bujoli, Pascal Janvier, Ibrahim Khairoun, Jean-Noël Argenson
  • Patent number: 9266726
    Abstract: A method for immobilizing biological polymers such as DNA or proteins, on a solid support, by ionocovalent bond, for making biochips, and the resulting chips obtained by the method. Also, a kit for the preparation of the chips.
    Type: Grant
    Filed: July 15, 2010
    Date of Patent: February 23, 2016
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCENTIFIQUE (C.N.R.S), UNIVERSITE DE NANTES, UNIVERSITY OF FLORIDA
    Inventors: Charles Tellier, Muriel Pipelier, Didier Dubreuil, Bruno Bujoli, Daniel Talham
  • Publication number: 20150140118
    Abstract: The present invention relates to a macroporous, resorbable and injectable apatitic calcium-phosphate cement with a high compressive strength useful as bone cement and releasing a bone resorption inhibitor, preparation method and uses thereof.
    Type: Application
    Filed: November 14, 2014
    Publication date: May 21, 2015
    Inventors: Jean-Michel BOULER, Bruno BUJOLI, Pascal JANVIER, Ibrahim KHAIROUN, Jean-Noël ARGENSON
  • Patent number: 8920555
    Abstract: The present invention relates to a gallium-doped phosphocalcic compound of formula (I): Ca(10.5-1.5x)Gax(PO4)7??(I) wherein 0<x<1 and the salts, hydrates and mixtures thereof. The invention further relates to a solid state process and a process in solution for the manufacture of such compounds and the use thereof for the preparation of a biomaterial, in particular a self-setting calcium-phosphate cement (CPC).
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: December 30, 2014
    Assignees: Graftys SA, University de Nantes, Centre National de la Recherche Scientifique
    Inventors: Bruno Bujoli, Jean-Michel Bouler, Pascal Janvier, Ibrahim Khairoun, Verena Schnitzler
  • Patent number: 8894958
    Abstract: The present invention relates to a galliated calcium-phosphate biomaterial comprising a gallium-doped phosphocalcic compound of formula (I): Ca(10.5-1.5x)Gax(PO4)7??(I) wherein 0<x<1 and the salts, hydrates and mixtures thereof and/or a calcium deficient apatite structure with in particular a (Ca+Ga)/P molar ratio in the range of 1.3 to 1.67, and a gallium content up to 4.5% by weight. It also relates to processes of preparation of such materials and uses thereof, in particular as dental or bony implants. It further relates to a kit comprising a galliated calcium-phosphate biomaterial in combination with a fluid component. It finally relates to methods of use of the galliated calcium-phosphate biomaterial, notably for III) ions increase radio-opacity after bone implantation and can be released for inhibiting bone resorption.
    Type: Grant
    Filed: March 3, 2010
    Date of Patent: November 25, 2014
    Assignees: Centre National de la Recherche Scientifique (C.N.R.S.), University de Nantes, Graftys
    Inventors: Bruno Bujoli, Jean-Michel Bouler, Pascal Janvier, Ibrahim Khairoun, Verena Schnitzler, Charlotte Mellier
  • Patent number: 8889165
    Abstract: The present invention relates to a macroporous, resorbable and injectable apatitic calcium-phosphate cement with a high compressive strength useful as bone cement and releasing a bone resorption inhibitor, preparation method and uses thereof.
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: November 18, 2014
    Assignees: Graftys, Centre National de la Recherche Scientifique (C.N.R.S.)
    Inventors: Jean-Michel Bouler, Bruno Bujoli, Pascal Janvier, Ibrahim Khairoun, Jean-Noël Argenson
  • Publication number: 20140087004
    Abstract: The present invention relates to a gallium-doped phosphocalcic compound of formula (I): Ca(10.5?1.5x)Gax(PO4)7??(I) wherein 0<x<1 and the salts, hydrates and mixtures thereof. The invention further relates to a solid state process and a process in solution for the manufacture of such compounds and the use thereof for the preparation of a biomaterial, in particular a self-setting calcium-phosphate cement (CPC).
    Type: Application
    Filed: December 2, 2013
    Publication date: March 27, 2014
    Inventors: Bruno Bujoli, Jean-Michel Bouler, Pascal Janvier, Ibrahim Khairoun, Verena Schnitzler
  • Patent number: 8623311
    Abstract: The present invention relates to a gallium-doped phosphocalcic compound of formula (I): Ca(10.5-1.5x)Gax(PO4)7??(I) wherein 0<x<1 and the salts, hydrates and mixtures thereof. The invention further relates to a solid state process and a process in solution for the manufacture of such compounds and the use thereof for the preparation of a biomaterial, in particular a self-setting calcium-phosphate cement (CPC).
    Type: Grant
    Filed: March 3, 2010
    Date of Patent: January 7, 2014
    Assignees: Graftys, Universite de Nantes, Centre National de la Recherche Scientifique (C.N.R.S.)
    Inventors: Bruno Bujoli, Jean-Michel Bouler, Pascal Janvier, Ibrahim Khairoun, Verena Schnitzler
  • Publication number: 20120111226
    Abstract: The present invention relates to a galliated calcium-phosphate biomaterial comprising a gallium-doped phosphocalcic compound of formula (I): Ca(005-1 5X)Gax(PO—O4)7, wherein 0<x<1 and the salts, hydrates and mixtures thereof and/or a calcium deficient apatite structure with in particular a (Ca+Ga)/P molar ratio in the range of 1.3 to 1.67, and a gallium content up to 4.5% by weight. It also relates to processes of preparation of such materials and uses thereof, in particular as dental or bony implants. It further relates to a kit comprising a galliated calcium-phosphate biomaterial in combination with a fluid component. It finally relates to methods of use of the galliated calcium-phosphate biomaterial, notably for III) ions increase radio-opacity after bone implantation and can be released for inhibiting bone resorption.
    Type: Application
    Filed: March 3, 2010
    Publication date: May 10, 2012
    Applicants: GRAFTYS, UNIVERSITE DE NANTES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S)
    Inventors: Bruno Bujoli, Jean-Michel Bouler, Pascal Janvier, Ibrahim Khairoun, Verena Schnitzler, Charlotte Mellier
  • Publication number: 20120064170
    Abstract: The present invention relates to a gallium-doped phosphocalcic compound of formula (I): Ca(10.5-1.5x)Gax(PO4)7, wherein 0<x<1 and the salts, hydrates and mixtures thereof. The invention further relates to a solid state process in solution for the manufacture of such compounds and the use thereof for the preparation of a biomaterial, in particular a self-setting calcium-phosphate cement (CPC).
    Type: Application
    Filed: March 3, 2010
    Publication date: March 15, 2012
    Applicants: UNIVERSITE DE NANTES, GRAFTYS
    Inventors: Bruno Bujoli, Jean-Michel Bouler, Pascal Janvier, Ibrahim Khairoun, Verena Schnitzler
  • Patent number: 8044037
    Abstract: A phosphocalcic compound modified by a gem-bisphosphonic acid or one of its salts, a method for preparing same, as well as its use for preparing an injectable composition. The modified phosphocalcic compound is obtained by adding a gem-bisphosphonic acid or one of its alkali metal or alkaline earth salts to a suspension of a precursor phosphocalcic compound in ultras-pure water, while stirring the reaction medium at room temperature, then in recovering by centrifuging the formed compound. The compound is useful for making an injectable composition, for use in the treatment of bone remodeling equilibrium.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: October 25, 2011
    Assignees: Centre National de la Recherche Scientifique, Université de Nantes, Institut National de la Santé et de la Recherche Médicale
    Inventors: Bruno Bujoli, Solen Josse, Jérôme Guicheux, Pascal Janvier, Jean-Michel Bouler, Guy Daculsi
  • Publication number: 20110118150
    Abstract: A method for immobilizing biological polymers such as DNA or proteins, on a solid support, by ionocovalent bond, for making biochips, and the resulting chips obtained by the method. Also, a kit for the preparation of the chips.
    Type: Application
    Filed: July 15, 2010
    Publication date: May 19, 2011
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE DE NANTES, UNIVERSITY OF FLORIDA
    Inventors: Charles Tellier, Muriel Pipelier, Didier Dubreuil, Bruno Bujoli, Daniel Talham
  • Publication number: 20100269734
    Abstract: The present invention relates to a gallium-doped phosphocalcic compound of formula (I): Ca(10.5-1.5x)Gax(PO4)7??(I) wherein 0<x<1 and the salts, hydrates and mixtures thereof. The invention further relates to a solid state process and a process in solution for the manufacture of such compounds and the use thereof for the preparation of a biomaterial, in particular a self-setting calcium-phosphate cement (CPC).
    Type: Application
    Filed: March 3, 2010
    Publication date: October 28, 2010
    Inventors: Bruno Bujoli, Jean-Michel Bouler, Pascal Janvier, Ibrahim Khairoun, Verena Schnitzler
  • Publication number: 20100248191
    Abstract: The present invention relates to a galliated calcium-phosphate biomaterial comprising a gallium-doped phosphocalcic compound of formula (I): Ca(10.5?1.5x)Gax(PO4)7??(I) wherein 0<x<1 and the salts, hydrates and mixtures thereof and/or a calcium deficient apatite structure with in particular a (Ca+Ga)/P molar ratio in the range of 1.3 to 1.67, and a gallium content up to 4.5% by weight. It also relates to processes of preparation of such materials and uses thereof, in particular as dental or bony implants. It further relates to a kit comprising a galliated calcium-phosphate biomaterial in combination with a fluid component. It finally relates to methods of use of the galliated calcium-phosphate biomaterial, notably for III) ions increase radio-opacity after bone implantation and can be released for inhibiting bone resorption.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 30, 2010
    Inventors: Bruno Bujoli, Jean-Michel Bouler, Pascal Janvier, Ibrahim Khairoun, Verena Schnitzler, Charlotte Mellier