Patents by Inventor J. Paul Hieble

J. Paul Hieble 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: 4507320
    Abstract: N,N-Di-n-propyl-4-hydroxy-3-methanesulfonamidophenethylamine is a potent, selective presynaptic dopaminergic agonist. The compound is prepared by N-sulfonylation of an optionally O-protected derivative of 3-amino-4-hydroxy-N,N-di-n-propylphenethylamine, followed by removal of the protecting group.
    Type: Grant
    Filed: December 7, 1983
    Date of Patent: March 26, 1985
    Assignee: Smithkline Beckman Corporation
    Inventors: Robert M. DeMarinis, J. Paul Hieble, Carl Kaiser, James W. Wilson
  • Patent number: 4444782
    Abstract: 2-(4-tert.-Butyl-2,6-dichlorophenylimino)imidazolidine is a anti-hypertensive chemical compound which has unexpected biological properties compared to those of clonidine.
    Type: Grant
    Filed: December 23, 1982
    Date of Patent: April 24, 1984
    Assignee: SmithKline Beckman Corporation
    Inventors: Robert M. DeMarinis, J. Paul Hieble