Patents by Inventor Gaetano Boetti

Gaetano Boetti 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 and related product for purification of waste water
    Patent number: 5415778
    Abstract: A method and related product for purification of waste water, especially of water polluted with phosphorus, nitrogen, heavy metals, and chlorinated solvents. The purification process consists of:a) adding two liquid mixtures in sequence to the waste water;b) letting the pollutants react with the two mixtures;c) subsequently removing the sludge that forms.One of the two liquid mixtures in question is a liquid mixture of two acids that may be extracted from lignite, leonardite and fossils of vegetal origin like peat.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: May 16, 1995
    Assignee: HydroGeo North America L.L.C.
    Inventors: Roberto Zanin, Gaetano Boetti