Patents by Inventor Stephen Raymond Gunning

Stephen Raymond Gunning 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: 3957965
    Abstract: Dosage units comprise a capsule containing a mixture of a solid, finely divided medicament having an effective particle size in the range 0.01 to 10 microns, and a solid, pharmaceutically acceptable, water-soluble carrier having an effective particle size in the range 30 to 80 microns. The compositions are suitable for use in inhalation therapy. The compositions are administered by dispersing the composition into an air stream by subjecting a dosage unit capsule to simultaneous rotation and vibration.
    Type: Grant
    Filed: September 27, 1973
    Date of Patent: May 18, 1976
    Assignee: Fisons Limited
    Inventors: Philip Saxton Hartley, Stephen Raymond Gunning