Patents by Inventor James Espenson

James Espenson 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).

  • Oxidation of aromatic hydrocarbons using brominated anthracene promoters
    Publication number: 20050192459
    Abstract: Brominated anthracene is effectively used in a catalyst system as promoter for the catalytic oxidation of aromatic hydrocarbons in the production of aromatic carboxylic acids and results in reduced corrosion of process equipment and reduced formation of alkyl bromides while providing yield and quality comparable to that of conventional bromine promoters.
    Type: Application
    Filed: May 27, 2004
    Publication date: September 1, 2005
    Inventors: Peter Metelski, James Espenson