Patents by Inventor Samuel E. Shull

Samuel E. Shull 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).

  • Antimicrobial hydantoin derivative compositions and method of use
    Patent number: 4172140
    Abstract: Antimicrobial compositions for inhibiting the growth of microorganisms in an aqueous fluid medium comprising an admixture of a condensation product of 5,5-dimethylhydantoin and formaldehyde with a chelating agent. A method for inhibiting microorganism growth in aqueous fluid media, particularly such media containing fatty oil or petroleum base components and modified metal working fluids also described.
    Type: Grant
    Filed: August 19, 1977
    Date of Patent: October 23, 1979
    Assignee: Glyco Chemicals, Inc.
    Inventors: Samuel E. Shull, Edward O. Bennett