Patents by Inventor Derek Leslie Crookes

Derek Leslie Crookes 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).

  • Patent number: 5705520
    Abstract: The present invention, relates to 3-?2-(dimethylamino)ethyl!-N-methyl-1H-methanesulphonamide sulphate salt (2:1) and pharmaceutically acceptable solvates thereof, and to pharmaceutical compositions containing same. The compound is useful in the treatment of conditions associated with cephalic pain, in particular migraine. The pharmaceutical compositions are particularly useful as intranasal formulations.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: January 6, 1998
    Assignee: Glaxo Group Limited
    Inventors: Joanne Craig, Derek Leslie Crookes, Stephen John Skittrall