Patents by Inventor Daniel Martin Ennis

Daniel Martin Ennis 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).

  • Synthetic N-releasing soil conditioner
    Patent number: 4066431
    Abstract: Hexamethylenediamine adipate, NH.sub.3.sup.+ --(CH.sub.2).sub.6 --NH.sub.3.sup.+ COO.sup.- --(CH.sub.2).sub.4 --COO.sup.- (Nylon Salt), is a nitrogen-containing soil conditioner. Degradation of hexanediamine in the soil by bacteria and fungi releases ammonia which may be interconverted with nitrate to supply nitrogen for the growing plant.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: January 3, 1978
    Inventor: Daniel Martin Ennis