Patents by Inventor Michael J. Humphrey

Michael J. Humphrey 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).

  • Dihydropyridines and use thereof in treating hypertension and ischaemia
    Patent number: 4806557
    Abstract: A compound of the formula: ##STR1## or a pharmaceutically acceptable salt thereof, wherein R.sup.1 is amino, hydroxy, alkoxy, phenoxy or benzyloxy, useful in the treatment of hypertension, angina, renal impairment or acute renal failure.
    Type: Grant
    Filed: April 28, 1988
    Date of Patent: February 21, 1989
    Assignee: Pfizer Inc.
    Inventors: Simon F. Campbell, Michael J. Humphrey, Alan Stobie