Patents by Inventor Marie E. Lynch

Marie E. Lynch 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 for removing polychlorinated biphenyls from transformer oil
    Patent number: 4377471
    Abstract: A method is provided for effecting the removal of polychlorinated biphenyls from hydrocarbon oils, such as transformer oil, contaminated with more than 50 ppm of such polychlorinated biphenyls. There is utilized in the contaminated oil, while it is being agitated, dispersed metallic sodium, an aprotic ion-complexing solvent, for example, diglyme, and an oil-soluble electron carrier, such as naphthalene.
    Type: Grant
    Filed: December 3, 1980
    Date of Patent: March 22, 1983
    Assignee: General Electric Company
    Inventors: John F. Brown, Marie E. Lynch