Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 1, 2010
Patent Application Number
11699904
Date Filed
January 30, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention relates generally to chemical analysis (e.g. by gas chromatography), and in particular to a compact chemical preconcentrator formed on a substrate with a heatable sorptive membrane that can be used to accumulate and concentrate one or more chemical species of interest over time and then rapidly release the concentrated chemical species upon demand for chemical analysis.
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