Patents by Inventor Martha S. Losin

Martha S. Losin 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).

  • Split-column extractive distillation
    Patent number: 4556404
    Abstract: The present invention is directed to an extractive distillation separatory technique wherein the improvement comprises a two stage column with a condenser only for the high pressure section and a reboiler only for the low pressure section, as well as a flash separation of a stream communicating between the sections.
    Type: Grant
    Filed: September 19, 1984
    Date of Patent: December 3, 1985
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Thirthahalli A. Shenoy, Martha S. Losin