Indicator material
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 4, 1982
Grant Date -
N/A
app pub date -
Jul 6, 1979
filing date -
Jul 6, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Indicator material for monitoring personal exposure to hazardous substances in ambient air comprising a pigment material, a binder and a sensitizer coated upon a transparent support member as a porous coating which permits gaseous diffusion throughout the coating is disclosed. Detection or monitoring is effected when the indicator material undergoes a visually observable reaction with hazardous material in the atmosphere at room temperature.
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Family
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Cited Art Landscape
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