Patents by Inventor Terry Early

Terry Early 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).

  • Anti-hypertensive compounds
    Patent number: 4156739
    Abstract: The subject invention is directed to compounds having the formula: ##STR1## wherein R.sub.1 and R.sub.2 are H, alkyl or combinations thereof,R.sub.3 and R.sub.4 are H, halogen, amino, alkylamino, alkoxy, alkyl, OH, O, NO.sub.2 or combinations thereof, and X is CH or N, which compounds are useful as anti-hypertensive agents.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: May 29, 1979
    Assignee: Research Corporation
    Inventors: Kenneth R. Fountain, Terry Early, Horst Kehl, Robert Erwin
  • Anti-hypertensive compounds
    Patent number: 4098903
    Abstract: The subject invention is directed to compounds having the formula: ##STR1## wherein R.sub.1 and R.sub.2 are H, alkyl or combinations thereof,R.sub.3 and R.sub.4 are H, halogen, amino, alkylamino, alkoxy, alkyl, OH, O, NO.sub.2 or combinations thereof, and X is CH or N, which compounds are useful as anti-hypertensive agents.
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: July 4, 1978
    Assignee: Research Corporation
    Inventors: Kenneth R. Fountain, Horst Kehl, Terry Early