Patents by Inventor Geoffry A. Byrne

Geoffry A. Byrne 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).

  • Controlled release suppositories consisting essentially of a linear polymer particularly, polyvinyl pyrrolidones
    Patent number: 4406883
    Abstract: A slow-release suppository is provided. The slow-release suppository comprises a linear polymer, water and a therapeutically active ingredient. In particular, in accordance with the present invention, the linear polymer can be a polyvinyl alcohol, a polyvinyl pyrrolidone, a polyacrylamide, a chemically modified starch, or a combination of these materials.
    Type: Grant
    Filed: March 27, 1981
    Date of Patent: September 27, 1983
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Geoffry A. Byrne, Ross I. Aylott
  • Controlled release suppositories
    Patent number: 4292300
    Abstract: A slow-release suppository is provided. The slow-release suppository comprises a linear polymer, water and a therapeutically active ingredient.
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: September 29, 1981
    Assignee: Inveresk Research International
    Inventors: Geoffry A. Byrne, Ross I. Aylott
  • Controlled release suppositories
    Patent number: 4265875
    Abstract: A slow-release suppository is provided. The slow-release suppository comprises a linear polymer, water and a therapeutically active ingredient.
    Type: Grant
    Filed: October 19, 1979
    Date of Patent: May 5, 1981
    Assignee: Inveresk Research International
    Inventors: Geoffry A. Byrne, Ross I. Aylott