Fingerprint powder and method of application

Details Fingerprint powder and method of application Fingerprint powder and method of application

1976-03-24

1979-11-27

Pianalto, Bernard D.

Coating processes

Body member printing

427 53, 427 1, 427145, 427157, 25230116, 156241, 356 36, 252 1, 252 88, 252408, A61B 510

Patent

active

041762053

ABSTRACT:
Fingerprint powder and method for developing latent fingerprints therewith, such powder comprised of a powder carrier, especially a mixture of silica and talc, containing a coloring agent, preferably a fluorescent dye. The fingerprint powder can be applied by blowing the powder over a surface containing latent fingerprints, or by brushing or pouring the powder on such surface, or by immersion thereof in such powder, thus developing and revealing a bright, sharp fingerprint, which can be photographed or lifted by applying tape or a strippable coating over the print.

REFERENCES:
patent: 2066535 (1937-01-01), Lucas
patent: 2986831 (1961-06-01), Terek et al.
patent: 3075852 (1963-01-01), Bonora
patent: 3408217 (1968-10-01), Obuchi
patent: 3492140 (1970-01-01), Honjo et al.

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