Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Reexamination Certificate
2001-05-05
2008-09-02
Siefke, Sam P. (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
C422S050000, C422S051000, C422S051000, C422S051000, C422S083000
Reexamination Certificate
active
07419635
ABSTRACT:
A sensor structure for chemochromic optical detection of hydrogen gas over a wide response range, that exhibits stability during repeated coloring/bleaching cycles upon exposure and removal of hydrogen gas, comprising: a glass substrate (20); a vanadium oxide layer (21) coated on the glass substrate; and a palladium layer (22) coated on the vanadium oxide layer.
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Ping, et al, “Stable Pd/V205 Optical H2 Sensor”, Journal of Electrochemical Society, H76-H80 (2002).
Lee Se-Hee
Liu Ping
Pitts J. Roland
Smith, II R. Davis
Tracy C. Edwin
Midwest Research Institute
Siefke Sam P.
White Paul J.
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