Patents by Inventor Paul F. Kunkel

Paul F. Kunkel 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).

  • Continuous hydrolysis of hexafluoroarsenic acid
    Publication number: 20080003172
    Abstract: Provided is a method for treating an aqueous feed stream containing an admixture of hexafluoroarsenic acid, or any salt thereof, and hydrogen fluoride, by contacting the feed stream with a counter-current stream of steam to remove substantially all of the hydrogen fluoride from the feed stream, and optionally to heat the feed stream. Further, provided is a method for continuously converting hexafluoroarsenic acid in an aqueous admixture, or any salt thereof, into arsenic acid by contacting the admixture with a counter-current stream of steam.
    Type: Application
    Filed: June 29, 2006
    Publication date: January 3, 2008
    Applicant: Honeywell International Inc.
    Inventors: Zenart Dziadyk, Paul F. Kunkel, Charles Redmon, Robert Smith