Patents by Inventor Colin F. C. Smith

Colin F. C. Smith 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).

  • Derivative of codeine useful as an agonist and process for the preparation of it
    Patent number: 4925848
    Abstract: A compound of the formula: ##STR1## A process for its preparation and pharmaceutical compositions comprising the compound or a pharmaceutically acceptable salt thereof with a pharmaceutically acceptable diluent or carrier. The compound exhibits analgesic activity.
    Type: Grant
    Filed: April 28, 1988
    Date of Patent: May 15, 1990
    Assignee: Reckitt & Colman Products Limited
    Inventors: John W. Lewis, Colin F. C. Smith