Patents by Inventor Roydon Hildebrand

Roydon Hildebrand 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 inhibitor formulations
    Patent number: 9056804
    Abstract: There is provided a liquid urease inhibitor formulation comprising an urease inhibitor and a primary solvent selected from the group consisting of dialkyl sulfones, polymethylene cyclic sulfones, and mixtures thereof. A method for inhibiting urease hydrolysis of urea containing fertilizer or waste using said liquid urease inhibitor formulation is also described.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: June 16, 2015
    Assignee: Incitec Pivot Limited
    Inventors: Arpad T. Phillip, Roydon Hildebrand, Rohan Davies, Charlie Walker
  • Urease Inhibitor Formulations
    Publication number: 20140326030
    Abstract: There is provided a liquid urease inhibitor formulation comprising an urease inhibitor and a primary solvent selected from the group consisting of dialkyl sulfones, polymethylene cyclic sulfones, and mixtures thereof. A method for inhibiting urease hydrolysis of urea containing fertiliser or waste using said liquid urease inhibitor formulation is also described.
    Type: Application
    Filed: November 13, 2012
    Publication date: November 6, 2014
    Inventors: Arpad T. Phillip, Roydon Hildebrand, Rohan Davies, Charlie Walker