Patents by Inventor Marcel Veronneau

Marcel Veronneau 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).

  • Patent number: 4364773
    Abstract: A process is provided by which dissolved metals may be recovered from aqueous waste solutions and converted to a particulate material, which may in turn be used as a filler for products such as asphalt. The process involves effecting reaction in the solution to produce a sludge comprised of metal hydroxides and sulfides, and admixing lime with a concentrate thereof to ultimately produce the filler.
    Type: Grant
    Filed: December 23, 1980
    Date of Patent: December 21, 1982
    Inventors: Marcel Veronneau, Thomas Marino