Patents by Inventor Simon John Warren

Simon John Warren 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).

  • Aerosol composition
    Patent number: 7481995
    Abstract: An aerosol composition comprising a propellant and a first particulate material comprising particles having a median aerodynamic diameter with the range 0.05 to 11 ?m, such as a medicament suitable for pulmonary inhalation, and a second particulate material comprising particles having a median volume diameter within the range 15 to 200 ?m. The presence of the second particulate material provides good suspension properties, particularly where the propellant is a hydrofluoro alkane.
    Type: Grant
    Filed: September 23, 2003
    Date of Patent: January 27, 2009
    Assignee: University College Cardiff Consultants Limited
    Inventors: Paul Alfred Dickinson, Simon John Warren
  • Aerosol composition
    Patent number: 6737044
    Abstract: An aerosol composition comprising a propellant and a first particulate material comprising particle having a median aerodynamic diameter within the range 0.05 to 11 &mgr;m, such as a medicament suitable for pulmonary inhalation, and a second particulate material comprising particles having a median volume diameter within the range 15 to 200 &mgr;m. The presence of the second particulate material provides good suspension properties, particularly where the propellant is a hydrofluoro alkane.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: May 18, 2004
    Assignees: University College Cardiff Consultants Limited, Cardiff Scintigraphics Limited
    Inventors: Paul Alfred Dickinson, Simon John Warren