Patents by Inventor Frank D. Gunstone

Frank D. Gunstone 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).

  • Ethoxyquin derivatives as antioxidants in edible oils and fish meal
    Patent number: 4986996
    Abstract: Anti-oxidants for natural and processed oils, including fish oil and fish meal and animal feed, are 8-substituted ethoxyquin derivatives which, unlike ethoxyquin, do not dimerize on oxidation. Many of the derivatives are novel compounds.
    Type: Grant
    Filed: July 6, 1989
    Date of Patent: January 22, 1991
    Assignee: University of St. Andrews
    Inventors: Stuart M. Barlow, Frank D. Gunstone, Roy Hardy, Snorri Thorisson