Patents by Inventor Paul J. Widner

Paul J. Widner 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: 4496725
    Abstract: Substituted 1,2,3-triazino[4',5':4,5]thieno[2,3-b]quinolin-4(3H)-ones useful as antiallergic agents are described herein. The compounds are prepared by the reaction of an appropriate substituted 3-aminothieno[2,3-b]quinoline-2-carboxamide with sodium nitrite in an acid such as acetic acid.
    Type: Grant
    Filed: May 23, 1983
    Date of Patent: January 29, 1985
    Assignee: The Dow Chemical Company
    Inventors: James R. McCarthy, Paul J. Widner
  • Patent number: 4263295
    Abstract: Novel triazine compounds useful for treating central nervous system depression and anxiety in a mammal, their method of use and pharmaceutical compositions thereof.
    Type: Grant
    Filed: June 6, 1977
    Date of Patent: April 21, 1981
    Assignee: The Dow Chemical Company
    Inventors: David M. Spatz, Paul J. Widner