Patents Examined by Christoper P Jones
  • Chemical and particulate filters containing chemically modified carbon nanotube structures
    Patent number: 7922796
    Abstract: A carbon nanotube filter. The filter including a filter housing; and chemically active carbon nanotubes within the filter housing, the chemically active carbon nanotubes comprising a chemically active layer formed on carbon nanotubes or comprising chemically reactive groups on sidewalls of the carbon nanotubes; and media containing the chemically active carbon nanotubes.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: April 12, 2011
    Assignee: International Business Machines Corporation
    Inventors: Steven J. Holmes, Mark C. Hakey, David V. Horak, James G. Ryan