Upstream trace-chemical pre-concentrator for field detectors
This technology is a compact device that concentrates trace chemical compounds found in an air sample before analysis. It works by passing air through a specially selected permeable tube inside a pressurized chamber: common inert gases like nitrogen and oxygen leak out through the tube wall, while the target compounds—things like explosives residue, drugs, or pollutants—stay behind and become more concentrated. The result is a richer, cleaner sample delivered to whatever detector sits downstream. This approach is passive and hardware-simple, requiring no solvents or heating to achieve the enrichment.
What you could build
A pre-concentrator module that sits upstream of existing chemical detection systems—such as mass spectrometers, ion mobility spectrometers, or gas chromatographs—boosting sensitivity without replacing the detector itself; buyers would be security screening OEMs, environmental monitoring instrument makers, and defense contractors building portable threat-detection equipment.
Who in Virginia should care
Defense and homeland security contractors clustered around Northern Virginia and the Pentagon acquisition ecosystem—particularly companies supplying IED or chemical threat detection equipment to DoD and DHS.
Readiness: Prototype likely
Concept — described but not yet demonstrated. Lab validated — supported by experimental results in the patent. Prototype likely — the text describes a built, working embodiment.
Readiness is inferred from the patent text, not from a lab visit.
The record
- Inventors
- Gabriel ISAACMAN-VANWERTZ
- Granted
- March 31, 2026
- Status
- Granted patent
- Patent number
- 12589361
Ready to talk?
Virginia Tech Intellectual Properties handles licensing for this technology.
Prosim summaries are generated from public patent text and are not legal advice.