Patents by Inventor Mary Ann Latko

Mary Ann Latko 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).

  • Emulsion breaking
    Patent number: 4141854
    Abstract: A method of resolving water-in-oil emulsions resulting from the organic solvent extraction of uranium from aqueous leach liquors which comprises treating said emulsions with at least 20 parts per million of a water-soluble acrylamide copolymer which contains from 5 - 50% by weight of a lower alkyl substituted tertiary aminoethyl methacrylate and quaternary ammonium salts thereof.
    Type: Grant
    Filed: December 14, 1977
    Date of Patent: February 27, 1979
    Assignee: Nalco Chemical Company
    Inventors: Audrone M. Pavilcius, Mary Ann Latko