Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Reexamination Certificate
2002-07-31
2008-01-15
Alexander, Lyle A. (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
C422S083000, C436S178000, C073S029020, C096S151000
Reexamination Certificate
active
07318910
ABSTRACT:
A chemical dosimeter comprising: a chamber defined by a heat resistant mesh; and a quantity of an adsorbent contained within the chamber; the arrangement being such that gas may diffuse into the chamber through the heat resistant mesh so that chemicals in the gas may be adsorbed by the adsorbent.
REFERENCES:
patent: 3972225 (1976-08-01), Fort et al.
patent: 4833083 (1989-05-01), Saxena
patent: 5482677 (1996-01-01), Yao et al.
Kin Pong Boon
Wee Ang Kiam
Alexander Lyle A.
DSO National Laboratories
Hancock Hughey LLP
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