Apples and oranges Paige. CDEX's technolgy platform is all based on fluoresence- the ability to excited a target with "light" and have that target emit photons for analysis.
The first patent and the basis for ELF/EM-1 used "light" in the sofy x-ray region of the spectrum to excite the target.
Valimed uses "light" in the UV region of the spectrum to excite the target.
In both cases the targets fluoresce, whether by x-rays or UV.
Electrons in the target (the meth, drug or explosive) absorb the energy and become excited. When the electrons cool off they release the absorbed energy in the form of photons of light which establishes the signature or spectral fingerprint.
The "x-ray patent" cannot be used for Valimed. Any patent protection for Valimed must come from their subsequent "UV" patent applications.
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