Patents by Inventor John Clapp

John Clapp 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).

  • Calcium polysulfide, potassium polysulfide, calcium thiosulfate, and magnesium thiosulfate as urease inhibitors
    Publication number: 20060185411
    Abstract: Use of urease-inhibiting amounts of calcium polysulfide, potassium polysulfide, calcium thiosulfate, magnesium thiosulfate, and blends thereof, in combination with urea-containing fertilizer to significantly reduce potential losses of nitrogen due to ammonia volatilization.
    Type: Application
    Filed: February 22, 2005
    Publication date: August 24, 2006
    Applicant: Tessenderlo Kerley, Inc.
    Inventors: Michael Hojjatie, John Clapp, Thomas Fairweather, Constance Lockhart