Fingerprint developing agent and method for developing fingerprints
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United States of America Patent
Stats
-
Oct 9, 2001
Grant Date -
N/A
app pub date -
Nov 12, 1999
filing date -
May 12, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fingerprint detecting agent and a fingerprint detecting method using the agent, which can be used to detect latent fingerprints being in a wet condition, the fingerprint detecting agent includes a fixer containing silicone series compound, fluoride series compound, hydrocarbon series compound, animal or vegetable oil, higher fatty acid, or higher alcohol, and an arbitrary mixture thereof; a diluent containing polar soluent; a developer containing achromatic colored powder or chromatic colored powder. Latent fingerprints can be easily detected by spraying the fingerprint detecting agent; particularly, even if the latent fingerprints to be detected are in a wet condition, it is possible to detect them speedily and certainly.
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