Now showing items 1-4 of 4

    • Hydrogen-selective silica based membrane 

      Virginia Tech Intellectual Properties, Inc.; Oyama, Ted S.; Prabhu, Anil K. (United States Patent and Trademark Office, 2003-03-04)
      A new type of silica-modified membrane has been developed by the high-temperature, atmospheric-pressure CVD of Vycor glass. The new membrane, Nanosil, showed unprecedented selectivity to hydrogen (100%), without loss of ...
    • Hydrogen-selective silica-based membrane 

      ConocoPhillips Company; Virginia Polytechnic Institute and State University; Oyama, Shigeo T.; Jack, Doug S.; Zang, Lixiong; Lee, Doo-hwan (United States Patent and Trademark Office, 2005-02-15)
      A hydrogen permselective membrane, a method of forming a permselective membrane and an apparatus comprising a permselective membrane, a porous substrate and an optional intermediate layer are described. Using chemical vapor ...
    • Hydrothermally-stable silica-based composite membranes for hydrogen separation 

      Virginia Tech Intellectual Properties, Inc.; Gu, Yunfeng; Oyama, S. Ted (United States Patent and Trademark Office, 2009-09-08)
      Thin layers of a mixed composition are deposited on a porous substrate by chemical vapor deposition in an inert atmosphere at high temperature. The resulting membrane has excellent stability to water vapor at high temperatures. ...
    • Hydrothermally-stable silica-based composite membranes for hydrogen separation 

      Virginia Tech Intellectual Properties, Inc.; Gu, Yunfeng; Oyama, S. Ted (United States Patent and Trademark Office, 2011-01-04)
      Thin layers of a mixed composition are deposited on a porous substrate by chemical vapor deposition in an inert atmosphere at high temperature. The resulting membrane has excellent stability to water vapor at high temperatures. ...