Patents by Inventor Gilbert Bonel

Gilbert Bonel 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).

  • Uses for a current of supercritical carbon dioxide as an antiviral agent
    Patent number: 5723012
    Abstract: The invention concerns the use with the aim of antiviral prophylaxis of a current of carbon dioxide CO.sub.2 in the supercritical state in contact with a tissue having a collagenous network of human or animal origin intended to be used as or in an implantable supporting tissue prosthesis as a biomaterial, wherein carbon dioxide in the supercritical state has the function of eliminating viral contamination from the tissue.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: March 3, 1998
    Assignee: Bioland
    Inventors: Jacques Fages, Patrick Frayssinet, Gilbert Bonel
  • Process for separation of magnesium-based, and possibly fluorine-and aluminum-based impurities from a wet-produced phosphoric acid
    Patent number: 4692323
    Abstract: The invention concerns a process for separating magnesium-based impurities contained in a wet-process produced phosphoric acid. This process comprises adding an ammonium compound R(NH.sub.4) soluble in the said phosphoric acid, and, where called for, a fluorine compound and an aluminum compound to this phosphoric acid so as to induce a reaction forming an insoluble complex (NH.sub.4).sub.x (Mg).sub.y (Al).sub.z (F, OH).sub.6 ; this complex crystallizes in large grains and is easily separated subsequently by filtration and decantation.
    Type: Grant
    Filed: June 12, 1986
    Date of Patent: September 8, 1987
    Assignee: Centre National de la Recherche Scientifique (C.N.R.S.)
    Inventors: Gilbert Bonel, Jean C. Heughebaert, Mohamed Chaabouni, Hassine Ayedi