Method for detecting substance to be detected containing at...

Details Method for detecting substance to be detected containing at... Method for detecting substance to be detected containing at...

2003-10-03

2010-12-07

Siefke, Sam P (Department: 1797)

Chemistry: analytical and immunological testing

Including sample preparation

Liberation or purification of sample or separation of...

C422S083000, C422S088000, C422S094000

Reexamination Certificate

active

07846742

ABSTRACT:
The invention relates to a method and apparatus for detecting substance to be detected. The apparatus comprises at least one sampling member for sampling air contained in a closed space, the sampling member comprising at least one filter presenting pore or mesh size adapted to filtering solid particles of the substance to be detected that might be dispersed in the air contained in the closed space; the apparatus further comprising a pump (not shown) enabling the air contained in the closed space to be sucked in. The invention can be used for detecting a substance to be detected comprising, for example, an explosive or a narcotic.

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patent: 6642513 (2003-11-01), Jenkins et al.
patent: 0169057 (1986-01-01), None
Database WPI, Section Ch, Week 200215, Derwent Publications, Ltd., London GB; Class B04, AN 2002-112284 XP002269034 & NL 1 014 458, Duinmeijer, Aug. 24, 2001.
Miniaturized Explosives Preconcentrators for Use In Man-Portable Explosives Detection Systems, Hammum et al, International Carnahan Conference 2000, Canada, vol. 34, Conf. 34, Oct. 23, 2000 pp. 222-2227, XP000994041.

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