Patents by Inventor Suresh N Mistry

Suresh N Mistry 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).

  • Pressurized aerosol compositions comprising powdered medicament dispersed in hydrofluoroalkane
    Patent number: 6641800
    Abstract: Pressurized aerosol composition for administration by inhalation comprising a liquefied hydrofluoroalkane, a powdered medicament dispersed therein, and a suspending agent comprising a polymer soluble in the liquefied hydrofluoroalkane which is selected from polymers including recurring amide containing structural units, copolymers of amide containing units and carboxylic acid ester units, polyvinylacetate and acrylic acid/methacrylic acid ester copolymers.
    Type: Grant
    Filed: July 13, 2000
    Date of Patent: November 4, 2003
    Assignee: Fisons Ltd.
    Inventors: Suresh N Mistry, Mark Gibson
  • Pressurized aerosol inhalation compositions
    Patent number: 6123924
    Abstract: Pressurized aerosol inhalation composition consisting essentially of a liquefied hydrofluoroalkane, a powdered medicament dispersible to form a suspension in the liquefied hydrofluoroalkane, and polyvinylpyrrolidone present in a concentration of 0.00001 to 10% w/w.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 26, 2000
    Assignee: Fisons plc
    Inventors: Suresh N Mistry, Mark Gibson