Patents by Inventor William Ernest Campbell

William Ernest Campbell 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).

  • Treatment of parasitic infections in humans and animals
    Patent number: 8586112
    Abstract: The invention provides a process for the production of a substance or composition for the treatment, by therapy or prophylaxis, of parasitic infections, in particular malarial infections such as Plasmodium falciparum infections, of the human or animal body. The process comprises extracting the substance or composition from roots of the plant species Dicoma anomala, by an extraction using an organic solvent to obtain a liquid extract containing the substance or composition and removing the solvent from the liquid extract to leave a dried extract containing the substance or composition. The invention extends also to the use of the substance or composition in the manufacture of a medicament or preparation for such treatment of infections; to a substance or composition for use in such treatment of said infections; to compounds for use in such treatment of said infections; and to a method of treating said infections using such compounds.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: November 19, 2013
    Assignees: South African Medical Research Council, University of Cape Town
    Inventors: Motlalepula Gilbert Matsabisa, William Ernest Campbell, Peter Ian Folb, Peter John Smith
  • Treatment of Parasitic Infections in Humans and Animals
    Publication number: 20090304832
    Abstract: The invention provides a process for the production of a substance or composition for the treatment, by therapy or prophylaxis, of parasitic infections, in particular malarial infections such as Plasmodium falciparum infections, of the human or animal body. The process comprises extracting the substance or composition from roots of the plant species Dicoma anomala, by an extraction using an organic solvent to obtain a liquid extract containing the substance or composition and removing the solvent from the liquid extract to leave a dried extract containing the substance or composition. The invention extends also to the use of the substance or composition in the manufacture of a medicament or preparation for such treatment of infections; to a substance or composition for use in such treatment of said infections; to compounds for use in such treatment of said infections; and to a method of treating said infections using such compounds.
    Type: Application
    Filed: November 2, 2005
    Publication date: December 10, 2009
    Inventors: Motlalepula Gilbert Matsabisa, William Ernest Campbell, Peter Ian Folb, Peter John Smith