Patents by Inventor Timothy P. Puls

Timothy P. Puls 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: 4782180
    Abstract: An improved process for the preparation of 2,3,4,5-tetrafluorobenzoic acid is described which involves decarboxylation of tetrafluorophthalic acid in the presence of a base catalyst. Also described is an improved method for preparing tetrafluorophthalic acid and, in turn, a one-pot process for tetrafluorobenzoic acid using the combination of the two improvements.
    Type: Grant
    Filed: May 7, 1986
    Date of Patent: November 1, 1988
    Assignee: Warner-Lambert Company
    Inventors: James N. Wemple, Timothy P. Puls, James Vande Vusse