Patents by Inventor Aston M. Trelford

Aston M. Trelford 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).

  • Tabletting process
    Patent number: 4265847
    Abstract: A direct compression process for forming an effervescent tablet containing an active chemical compound is enhanced by the addition to the composition to be compressed of an alkali metal carbonate.
    Type: Grant
    Filed: February 20, 1980
    Date of Patent: May 5, 1981
    Assignee: Kirby Pharmaceuticals Ltd
    Inventors: Peter Hunt, Aston M. Trelford