Patents by Inventor Fernando A. de Benito

Fernando A. de Benito 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).

  • Process for the selective hydrogenation of aromatic acetylene compounds
    Patent number: 5504268
    Abstract: A process for the selective hydrogenation of aromatic acetylene compounds present as impurities in vinyl-aromatic compounds without substantial loss of vinyl-aromatic compound comprises adding hydrogen and an inert gas to a liquid phase vinyl-aromatic compound containing aromatic acetylene compounds and contacting the aromatic acetylene compound with hydrogen in the presence of a selective hydrogenation catalyst, wherein the partial hydrogen pressure is from about 0.001 to about 0.05 bar.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: April 2, 1996
    Assignee: The Dow Chemical Company
    Inventors: Matheus J. M. van der Aalst, Fernando A. de Benito