Apparatus and methods for use in concentration of gas and...

Details Apparatus and methods for use in concentration of gas and... Apparatus and methods for use in concentration of gas and...

2006-02-16

2011-11-22

Gordon, Brian R (Department: 1773)

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Miscellaneous laboratory apparatus and elements, per se

C422S089000, C422S616000, C422S267000, C210S107000, C210S145000, C095S113000, C096S191000, C096S192000, C055S285000, C261S083000

Reexamination Certificate

active

08062610

ABSTRACT:
For analysis of small quatities of target analytes in an environment, the gas flow can be delivered to a suitably fast analyzer and their concentration determined in a time period whose duration is dependent on the analyte, its concentration and the phase separation properties. A device having a sorbent bed that is essentially concentric with a passage way containing thermal fluid is used to concentrate the target analyte.

REFERENCES:
patent: 2080578 (1937-05-01), Ray
patent: 3891417 (1975-06-01), Wade
patent: 4054417 (1977-10-01), Rosebrock
patent: 5288310 (1994-02-01), Peters et al.
patent: 6457485 (2002-10-01), Hill et al.
patent: 6905534 (2005-06-01), Chang et al.
patent: 2006/0113231 (2006-06-01), Malik

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