Patent ID: 9329156
Filing Date: 2016-05-03
CPC Classification: G01N,Y10T

Claim Text:
1. A system for screening aircraft passengers or cargo comprising: a sampling probe assembly; a sampling card comprising a substrate coated with filtering material, the filtering material being configured to retain vapors and particles of a target substance; a sampler housing configured to house the sampler card, wherein the sampling probe assembly is configured to either (i) divert a portion of the air expelled b an aircraft air circulation system through the sampler housing so that the sampling card is exposed to the diverted air, (ii) draw a sample from a cargo container using suction before the container is loaded into the aircraft so that the sampling card is exposed to the sample, or (iii) draw a sample from a passenger's clothing or hand luggage using suction prior to the passenger boarding the aircraft so that the sampling card is exposed to the sample, wherein the filtering material includes at least two materials selected from the group consisting of diphenylene oxide polymers prepared in chloroform, a carbon composite material, divinyl benzene, mono-alkyl substituted benzenes, di-alkyl substituted benzene, toluene, xylenes, and ethylbenzene.