Patents by Inventor Nicoletta De Vietro

Nicoletta De Vietro 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 and apparatus for the plasma processing of filter material
    Publication number: 20110146697
    Abstract: One embodiment of the invention provides a method of manufacturing a filter material such as carbon suitable for use in a smoking article. The method includes modifying the filtration properties of the filter by altering the surface of the filter material. The surface alteration is performed by plasma processing and can be used, for example, to increase the acidic or basic properties of the surface. Another embodiment of the invention provides a filter produced by such a method.
    Type: Application
    Filed: March 11, 2009
    Publication date: June 23, 2011
    Inventors: Michele Mola, Riccardo D'Agostino, Pietro Favia, Nicoletta De Vietro, Francesco Fracassi