Optical Trace Chemical Detection for Analysis of Latent Prints
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United States of America Patent
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Issued Date -
Aug 13, 2015
app pub date -
Jul 26, 2013
filing date -
Nov 13, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for optical analysis of otherwise invisible latent prints on a wide variety of surfaces and trace chemicals contained within the oils of a print. The invention provides the capability to monitor absorption/reflection infrared bands that are unique to print oils and chemicals of interest that have long or short wave infrared signatures, such as explosives, inorganic oxidizers, drugs, environmental markers, and biomarkers.
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