Metal complex/cyanoacrylate compositions useful in latent fingerprint development
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United States of America Patent
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-
Aug 30, 1994
Grant Date -
N/A
app pub date -
Sep 15, 1993
filing date -
Sep 15, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cartridge useful in detecting fingerprints includes a housing with a chamber therein and an outlet from the chamber. The chamber contains a thermally stable porous or fibrous support impregnated with both: 1 ) a cyanoacrylate ester, and 2) a volatile, emissive lanthanide metal-complex or actinide metal-complex. Upon the application of sufficient heat to the support, the cyanoacrylate and metal complex volatilize and co-deposit on fingerprint residue to enhance the visualization of the fingerprint.
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