Patents by Inventor Michel Vignon

Michel Vignon 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).

  • Method for the controlled oxidation of polysaccharides
    Patent number: 8252921
    Abstract: The invention relates to a method for the controlled oxidation of oligo- and/or polysaccharides containing free —CH2OH primary hydroxyl groups, using an oxidizing agent. The invention is characterized in that the oxidation reaction is performed in a densified fluid which is inert in relation to the oxidizing agents employed. The invention is suitable for use, for example, in the food, paint, paper, textile, agricultural and pharmaceutical industries, in the medical, biomedical or paramedical fields, in the surgical field, in the cosmetic industry and as agents for the complexing or sequestering of metal ions, heavy metals and radioactive elements in the nuclear industry.
    Type: Grant
    Filed: July 29, 2005
    Date of Patent: August 28, 2012
    Assignees: Centre National de la Recherche Scientifique (CNRS), Institute National Polytechnique de Toulouse
    Inventors: Michel Vignon, Suzelei Montanari, Daniel Samain, Jean-Stéphane Condoret
  • Method For the Controlled Oxidation of Polysaccharides
    Publication number: 20080194805
    Abstract: The invention relates to a method for the controlled oxidation of oligo- and/or polysaccharides containing free —CH2OH primary hydroxyl groups, using an oxidising agent. The invention is characterised in that the oxidation reaction is performed in a densified fluid which is inert in relation to the oxidising agents employed. The invention is suitable for use, for example, in the food, paint, paper, textile, agricultural and pharmaceutical industries, in the medical, biomedical or paramedical fields, in the surgical field, in the cosmetic industry and as agents for the complexing or sequestering of metal ions, heavy metals and radioactive elements in the nuclear industry.
    Type: Application
    Filed: July 29, 2005
    Publication date: August 14, 2008
    Inventors: Michel Vignon, Suzelei Montanari, Daniel Samain, Jean-Stephane Condoret