Patents by Inventor Frederick E. Brinckman

Frederick E. Brinckman 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: 4618410
    Abstract: An improved process for shale oil dearsenation comprises coking a retorted hale oil stream following by contacting the liquid coker product with water. Water washing is preferably carried out under ambient conditions to achieve a reduction to less than 3 ppm w soluble arsenic.
    Type: Grant
    Filed: November 4, 1985
    Date of Patent: October 21, 1986
    Assignee: The United States of America as represented by the Secretary of Commerce
    Inventors: Frederick E. Brinckman, Thomas F. Degnan, Jr., Carl S. Weiss