Patents by Inventor Keith Sugden

Keith Sugden 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).

  • Pharmaceutical products
    Patent number: 5888540
    Abstract: A pharmaceutical product in the form of a gelatin capsule with a fill comprises a hydrogel material, a gas generator and an oil-based or hydrophilic based liquid vehicle, wherein upon contact with acidic aqueous medium the gelatin capsule breaks up, disperses or dissolves and the fill reacts to form a foam.
    Type: Grant
    Filed: July 3, 1997
    Date of Patent: March 30, 1999
    Inventors: Keith Sugden, Keith Graeme Hutchison
  • Buccal tablet comprising etorphine or a salt thereof
    Patent number: 4829056
    Abstract: Pharmaceutical compositions in the form of a buccal tablet comprising etorphine or a salt thereof, at least one monosaccharide, disaccharide or a mixture thereof, and a mixture of xanthan gum and locust bean gum in a weight ratio 3:1 to 1:1, wherein the total weight of the mono- and/or di-saccharides relative to the combined weight of the xanthan and locust bean gums is in the ratio of 20:1 to 3:1. The tablet affords improved bioavailability.
    Type: Grant
    Filed: April 10, 1987
    Date of Patent: May 9, 1989
    Assignee: Reckitt & Colman Products Limited
    Inventor: Keith Sugden
  • Pharmaceutical compositions
    Patent number: 4717723
    Abstract: Pharmaceutical compositions in the form of a buccal tablet comprise a phenothiazine derivative, at least one monosaccharide or disaccharide or a mixture thereof, and a mixture of xanthan gum and locust bean gum in a weight ratio of 3:1 to 1:1. A particular buccal tablet containing prochlorperazine maleate affords improved bioavailability.
    Type: Grant
    Filed: October 8, 1985
    Date of Patent: January 5, 1988
    Assignee: Reckitt & Colman Products Limited
    Inventor: Keith Sugden
  • Pharmaceutical compositions
    Patent number: 4689219
    Abstract: Pharmaceutical compositions comprising mixtures of xanthan gum and locust bean gum in a specified range of ratios have been found to exhibit synergistic effects in an in vitro test model. Pharmaceutical compositions adapted for oral administration comprising mixtures of xanthan gum and locust bean gum in the range of ratios are described for use in the treatment of diabetes or of satiety.
    Type: Grant
    Filed: June 7, 1984
    Date of Patent: August 25, 1987
    Assignee: Reckitt & Colman Products Limited
    Inventor: Keith Sugden