Patents by Inventor Bruce I. Dittmar

Bruce I. Dittmar 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).

  • Patent number: 4002767
    Abstract: 1-Tertiary-alkyl-3-(substituted cyclohexenyl)ureas that exhibit antihypertensive activity in warm-blooded animals. A representative compound is 1-tert-butyl-3-(3-oxo-1-cyclohexen-1-yl)urea.
    Type: Grant
    Filed: March 11, 1975
    Date of Patent: January 11, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Paul E. Aldrich, Gilbert H. Berezin, Bruce I. Dittmar
  • Patent number: 3969370
    Abstract: This invention relates to a class of 1-tertiary-alkyl-3-(substituted furyl)ureas that exhibit antihypertensive activity in warm-blooded animals. A representative compound is 1-tert-butyl-3-(2,5-dihydro-5-oxo-3-furyl)urea. This compound additionally possesses herbicidal activity.
    Type: Grant
    Filed: March 11, 1975
    Date of Patent: July 13, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Bruce I. Dittmar