Patents by Inventor David Victor Downs

David Victor 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).

  • EXTRACTION OF PHARMACEUTICALLY ACTIVE COMPONENTS FROM PLANT MATERIALS
    Publication number: 20210128657
    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: June 18, 2020
    Publication date: May 6, 2021
    Applicant: GW Pharma Limited
    Inventors: BRIAN ANTHONY WHITTLE, Colin A. Hill, Ian R. Flockhart, David Victor Downs, Peter Gibson, Gary William Wheatley
  • EXTRACTION OF PHARMACEUTICALLY ACTIVE COMPONENTS FROM PLANT MATERIALS
    Publication number: 20200306328
    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: October 30, 2019
    Publication date: October 1, 2020
    Applicant: GW Pharma Limited
    Inventors: Brian Anthony Whittle, Colin A. Hill, Ian R. Flockhart, David Victor Downs, Peter Gibson, Gary William Wheatley
  • Processes and apparatus for extraction of active substances and enriched extracts from natural products
    Patent number: 10195159
    Abstract: Processes for preparing extracts of natural products such as plant material, and for preparing purified extracts from crude extracts of natural products, by extraction with hot gas. Apparatus suitable for use in preparing extracts of natural products are also described.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: February 5, 2019
    Assignee: GW Pharma Limited
    Inventors: Brian Anthony Whittle, Geoffrey Guy, David Victor Downs, David W. Pate
  • EXTRACTION OF PHARMACEUTICALLY ACTIVE COMPONENTS FROM PLANT MATERIALS
    Publication number: 20170290869
    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 23, 2017
    Publication date: October 12, 2017
    Applicant: GW Pharma Limited
    Inventors: Brian Anthony Whittle, Colin A. Hill, Ian R. Flockhart, David Victor Downs, Peter Gibson, Gary William Wheatley
  • PROCESSES AND APPARATUS FOR EXTRACTION OF ACTIVE SUBSTANCES AND ENRICHED EXTRACTS FROM NATURAL PRODUCTS
    Publication number: 20160038437
    Abstract: Processes for preparing extracts of natural products such as plant material, and for preparing purified extracts from crude extracts of natural products, by extraction with hot gas. Apparatus suitable for use in preparing extracts of natural products are also described.
    Type: Application
    Filed: March 31, 2015
    Publication date: February 11, 2016
    Inventors: Brian Anthony Whittle, Geoffrey Guy, David Victor Downs, David W. Pate
  • Extraction of pharmaceutically active components from plant materials
    Patent number: 7344736
    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: Grant
    Filed: August 14, 2002
    Date of Patent: March 18, 2008
    Assignee: GW Pharma Limited
    Inventors: Brian Whittle, Colin A. Hill, Ian R. Flockhart, David Victor Downs, Peter Gibson, Gary William Wheatley