Patents by Inventor Leon E. Padgett, Jr.

Leon E. Padgett, Jr. 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).

  • Polyurethane encapsulated fertilizer
    Patent number: 7267707
    Abstract: A polyurethane encapsulated, slow release fertilizer with a coating based upon an isocyanate component and an isocyanate-reactive component comprising a polyether polyol. The process for producing such particles comprises applying an isocyanate-reactive component comprising a polyether polyol onto fertilizer particles to form coated fertilizer particles, applying an isocyanate component onto said coated fertilizer particles; and forming the polyurethane encapsulated fertilizer particles.
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: September 11, 2007
    Assignee: Florikan E.S.A. Corp.
    Inventors: Edward Rosenthal, Leon E. Padgett, Jr.