Patents by Inventor Derek J. Schafer

Derek J. Schafer 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).

  • Histidine derivatives
    Patent number: 4060603
    Abstract: Compounds of the formula ##STR1## wherein R, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 represent certain specified substituent groups. The compounds exhibit activity in the reserpine induced hypothermia test.
    Type: Grant
    Filed: February 20, 1976
    Date of Patent: November 29, 1977
    Assignee: Reckitt & Colman Products Limited
    Inventors: Barry A. Morgan, Derek J. Schafer