Patents by Inventor Pascal Bouniol

Pascal Bouniol 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).

  • Means for the conditioning of radioactive or toxic waste in cement and its production process
    Patent number: 4906408
    Abstract: A process for conditioning radioactive or toxic waste which can contain boron in a cement-based matrix comprises mixing the waste in a drum in the presence of water with non-aluminous cement, aluminous cement and optionally a siliceous compound and/or a boron-containing compound, in order to form a cement matrix containing stable phases of the straetlingite, calcium monoboroaluminate and borated ettringite type and, if desired, placing around the drum a mortar layer, which can be prepared from cement, deflocculated fumed silica, siliceous sand, smectic clay and water.
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: March 6, 1990
    Assignee: Commissariat a l'Energie Atomique
    Inventor: Pascal Bouniol