Patents by Inventor John S. Guymon

John S. Guymon 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: 6140519
    Abstract: The invention relates to a process for producing and refining phosphatides (phospholipids) including lecithin. Unlike previous procedures, the claimed process does not use acetone as a solvent, thereby yielding an acetone-free product suitable for animal or human consumption or for use as a pharmaceutical. The process produces phosphatides or lecithin with >90 A.I.
    Type: Grant
    Filed: December 7, 1998
    Date of Patent: October 31, 2000
    Assignee: Archer-Daniels-Midland Company
    Inventors: Kyle J. Hutton, John S. Guymon