Patents by Inventor David J. Pierotti

David J. Pierotti 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 removing epoxides from gaseous effluents
    Patent number: 5260046
    Abstract: A method and apparatus for removal of gaseous epoxides from effluent gas streams is described. The method comprises contacting a gaseous sample suspected of containing gaseous epoxides with a polymer barrier. The polymer barrier is comprised of a superactidic perfluorinated alyl sulfonic acid polymer that is capable of converting a gaseous epoxides to gaseous non-epoxide products. Specifically, the method is capable of removing ethylene oxide and propylene oxide from effluent gas streams with greater than 90% efficiency.
    Type: Grant
    Filed: September 14, 1990
    Date of Patent: November 9, 1993
    Inventor: David J. Pierotti