Patents by Inventor Michael J. Thibodeau

Michael J. Thibodeau 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: 4332779
    Abstract: An improved process for the filtration of phosphoric acid wherein the prefilt phosphoric acid produced from the "wet process" is conditioned with a flocculant and a dispersant and thereafter filtered to concentrate the acid.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: June 1, 1982
    Assignee: American Cyanamid Company
    Inventors: Michael J. Thibodeau, James S. Balcerski
  • Patent number: 4291005
    Abstract: For settling suspended solids in phosphoric acid product solutions, a copolymer of 95 mole percent ammonium acrylate monomer, 5% acrylamide monomer is shown to remove more solids than prior art flocculants when used in equivalent dosage, and to remove equivalent solids at much less dosage.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: September 22, 1981
    Assignee: American Cyanamid Company
    Inventors: Andrew C. Poulos, Michael J. Thibodeau