Patents by Inventor David V. Downs

David V. Downs 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).

  • Publication number: 20080167483
    Abstract: The invention relates to the extraction of pharmaceutically active components from plant materials, and more particularly to the preparation of a botanical drug substance (BDS) for incorporation in to a medicament. It also relates to a BDS of given purity, for use in pharmaceutical formulations. In particular it relates to BDS comprising cannabinoids obtained by extraction from cannabis.
    Type: Application
    Filed: March 17, 2008
    Publication date: July 10, 2008
    Applicant: GW Pharma Limited
    Inventors: Brian A. Whittle, Colin A. Hill, Ian R. Flockhart, David V. Downs, Peter Gibson, Gary W. Wheatley