Patents by Inventor John Harold Hunt

John Harold Hunt 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).

  • Steroidal aerosol compositions and process for the preparation thereof
    Patent number: 4044126
    Abstract: An antiinflammatory steroid exhibiting a tendency to crystal growth in suspension in aerosol propellants is contacted with a halogenated hydrocarbon to form a crystalline solvate, which, after removal of some or all of the propellant from the crystals, is reduced to a particle size permitting inhalation into the human bronchial system when dispersed as an aerosol, the micronized crystalline solvate not thereafter exhibiting crystal growth in the aerosol propellant. The solvate is a new composition of matter which has been characterized by I.R. spectra and the aerosol formulation prepared therefrom has valuable therapeutic properties, particularly in the treatment of asthma.
    Type: Grant
    Filed: July 9, 1976
    Date of Patent: August 23, 1977
    Assignee: Allen & Hanburys Limited
    Inventors: Peter Barry Cook, John Harold Hunt