Patents by Inventor David J. Rooke

David J. Rooke 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 formulation
    Patent number: 4537887
    Abstract: A unit dose pharmaceutical composition suitable for oral administration which composition comprises a pharmaceutically acceptable carrier, a desiccant, amoxycillin trihydrate equivalent to 20 mg to 1500 mg of amoxycillin and potassium clavulanate equivalent to 20 mg to 500 mg of clavulanic acid, with the proviso that the weight ratio of amoxycillin to clavulanic acid is in the range 12:1 to 1:1; characterized in that the composition is in tablet form, wherein the desiccant is edible and incorporated within the tablets.
    Type: Grant
    Filed: October 5, 1983
    Date of Patent: August 27, 1985
    Assignee: Beecham Group Limited
    Inventors: David J. Rooke, Barry W. Burnstead