Patents by Inventor Frederic Miglioretti

Frederic Miglioretti 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).

  • Process for biological denitrification of waters
    Patent number: 4253966
    Abstract: Water is denitrified by passage through a porous bed of fired clay containing 1-5 parts per thousand of Mo, preferably added to the clay before firing in the form of Mo containing acid or an alkaline salt of such acid.
    Type: Grant
    Filed: August 1, 1979
    Date of Patent: March 3, 1981
    Assignees: Omnium d'Assainissement, Argiles & Minereaux
    Inventors: Yves Lebesgue, Frederic Miglioretti