Patents by Inventor Dyral C. Fessler

Dyral C. Fessler 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).

  • Phthaloyl amino acid hydroxamic acids
    Patent number: 4099010
    Abstract: A series of phthaloyl amino acid hydroxamic acids are useful as inhibitors of Angiotensin I converting enzyme.
    Type: Grant
    Filed: March 16, 1977
    Date of Patent: July 4, 1978
    Assignee: Morton-Norwich Products, Inc.
    Inventors: Dyral C. Fessler, Edwin R. Micalizzi
  • Phthaloyl amino acid hydroxamic acids
    Patent number: 4077998
    Abstract: A series of phthaloyl amino acid hydroxamic acids are useful as inhibitors of Angiotensin I converting enzyme.
    Type: Grant
    Filed: August 4, 1976
    Date of Patent: March 7, 1978
    Assignee: Morton-Norwich Products, Inc.
    Inventors: Dyral C. Fessler, Edwin R. Micalizzi
  • (Substituted)ureidoacetohydroxamic acids
    Patent number: 4028401
    Abstract: A series of (substituted)ureidoacetohydroxamic acids are useful as inhibitors of Angiotensin I converting enzyme.
    Type: Grant
    Filed: July 1, 1976
    Date of Patent: June 7, 1977
    Assignee: Morton-Norwich Products, Inc.
    Inventors: Dyral C. Fessler, George A. Heavner, Thomas H. Massey