Patents by Inventor Christian Milet

Christian Milet 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 of preparing active substances from nacre, products obtained which can be used in particular as medicaments
    Patent number: 6251438
    Abstract: This invention relates to a method for preparation of biologically active substances and has the following characteristic features: (a) nacre is reduced to a powder whose grain size is less than approximately 200 &mgr;m; (b) it is placed in close contact with an aqueous solvent, (c) at the end of the contact period, the insoluble fraction is separated out to give the aqueous fraction; (d) the solvent of the aqueous fraction is concentrated to separate out the soluble or water-transportable fraction of the nacre, which is made up of biologically active substances with essentially no mineral components. The invention likewise relates to the products obtained by this method, their use for medicinal purposes and the compositions containing them.
    Type: Grant
    Filed: October 16, 1998
    Date of Patent: June 26, 2001
    Assignee: Centre National de la Recherche Scientifique (CNRS)
    Inventors: Evelyne Lopez, Michel Giraud, Sophie Berland, Christian Milet, Gilles Gutierrez