Patents by Inventor Zara Hyde

Zara Hyde 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).

  • Method for inhibiting polymer formation in styrene processing
    Patent number: 5910232
    Abstract: Inhibition performance is improved in styrene processing through the addition of a stable nitroxide free radical compound to the styrene feed and to the reflux of at least one column.
    Type: Grant
    Filed: June 10, 1998
    Date of Patent: June 8, 1999
    Assignee: Nalco/Exxon Energy Chemicals, L.P.
    Inventors: Zara Hyde, Vincent E. Lewis