Patents by Inventor Edward A. Emken

Edward A. Emken 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: 4305882
    Abstract: Mixtures containing polyunsaturated fatty esters are fractionated by partial argentation resin chromatography, in which the mixture is eluted through a column packed with a partially silvered sulfonic acid ion exchange resin.
    Type: Grant
    Filed: March 21, 1980
    Date of Patent: December 15, 1981
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Edward A. Emken, Richard O. Adlof, Henry Rakoff