Patents by Inventor Larry L. Hendrickson

Larry L. Hendrickson 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).

  • Urease inhibited urea based fertilizer compositions containing organo boron acid compounds
    Patent number: 4462819
    Abstract: The invention relates to novel urease inhibited fertilizer compositions containing urea and a urease inhibiting amount of one or more organo boron acid compounds, and to a method and composition for inhibiting the catalytic activity of urease through use of such compounds.
    Type: Grant
    Filed: April 7, 1983
    Date of Patent: July 31, 1984
    Assignee: Allied Corporation
    Inventors: Michael Van Der Puy, Ralph C. Gatrone, Martin A. Robinson, Larry L. Hendrickson