Latent fingerprint detection method

Details Latent fingerprint detection method Latent fingerprint detection method

1993-10-06

1995-01-03

Bell, Janyce

Coating processes

Body member printing

427145, 4272481, A61B 5117

Patent

active

053784928

ABSTRACT:
A latent fingerprint detection method including dipping latent fingerprints in a solution, the solution including a ruthenium tetroxide and a solvent including a halogen-containing hydrocarbon and/or a halogen-containing ester compound, the solution being prepared by dissolving the ruthenium tetroxide in the solvent; or exposing latent fingerprints to a vapor generated from a solution, the solution including a ruthenium tetroxide and a solvent including a halogen-containing hydrocarbon and/or a halogen-containing ether compound, the solution being prepared by dissolving the ruthenium tetroxide in the solvent.

REFERENCES:
patent: 3075852 (1963-01-01), Bonora
patent: 4262623 (1981-04-01), Smith et al.

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