Patents by Inventor Susanne B. Doe

Susanne B. Doe 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).

  • Analytical method and apparatus
    Patent number: 4577492
    Abstract: A method and apparatus are provided for analysis of a sample of matter for multiple organic constituents and elemental sulfur in a single process. The method involves passage of a fluid sample through a first separations zone for retention of a first organic constituent, passage through a second separations zone for separation of the remaining organic constituents and sulfur, and quantitative determination of each constituent of interest including elemental sulfur.
    Type: Grant
    Filed: September 18, 1984
    Date of Patent: March 25, 1986
    Assignee: Phillips Petroleum Company
    Inventors: Albert G. Holba, Susanne B. Doe, William B. Hughes