Patents by Inventor Dennis J. Hoover

Dennis J. Hoover 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).

  • Oxa- and azahomocyclostatine polypeptides
    Patent number: 4668769
    Abstract: Polypeptides and derivatives thereof containing oxa- and azahomocyclostatine are useful for inhibiting the angiotensinogen-cleaving action of the enzyme renin.
    Type: Grant
    Filed: August 2, 1985
    Date of Patent: May 26, 1987
    Inventor: Dennis J. Hoover
  • Intermediates in polypeptide synthesis
    Patent number: 4599198
    Abstract: Bis(t-butoxycarbonyl) derivatives of phenylalanylhistidine as intermediates in the synthesis of rennin inhibiting polypeptides.
    Type: Grant
    Filed: September 26, 1985
    Date of Patent: July 8, 1986
    Assignee: Pfizer Inc.
    Inventor: Dennis J. Hoover