Patents by Inventor David Malcolm Leathwick

David Malcolm Leathwick 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).

  • Anthelminthic composition
    Patent number: 10681911
    Abstract: The present invention relates generally to combinations comprising an alkaline compound and an ammonium compound that are useful for reducing the number of free living parasitic helminths on various surfaces, to methods of using such combinations, and to the use of such combinations for killing helminths, particularly nematodes.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: June 16, 2020
    Assignee: AgResearch Limited
    Inventors: Warwick David Catto, David Malcolm Leathwick, Alec Mackay
  • Anthelminthic Composition
    Publication number: 20190274309
    Abstract: The present invention relates generally to combinations comprising an alkaline compound and an ammonium compound that are useful for reducing the number of free living parasitic helminths on various surfaces, to methods of using such combinations, and to the use of such combinations for killing helminths, particularly nematodes.
    Type: Application
    Filed: November 2, 2017
    Publication date: September 12, 2019
    Applicant: AgResearch Limited
    Inventors: Warwick David CATTO, David Malcolm LEATHWICK, Alec MACKAY
  • Multiple active agents such as anthelmintics sustained release delivery device
    Publication number: 20090017089
    Abstract: A method of treating animals characterised by the step of introducing to the animal a single delivery device containing two or more active agents, wherein the delivery device is configured to release an effective amount of active agents over a defined time period of 3-14 days.
    Type: Application
    Filed: October 26, 2004
    Publication date: January 15, 2009
    Inventors: David Malcolm Leathwick, Rex Munday