Nonstaining fingerprint ink and applicator therefor

Details Nonstaining fingerprint ink and applicator therefor Nonstaining fingerprint ink and applicator therefor

1998-09-29

2000-02-22

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3158, C09D 1100

Patent

active

060275561

ABSTRACT:
A nonstaining fingerprint ink is formulated from one or more alcohol soluble dyes, e.g., Acid Black 5 dye, dissolved in one or more fatty acid esters which have at least one available hydroxyl group, e.g., glycerol monoricinoleate, the dye constituting about 5% of the total ink by weight. An applicator, particularly well suited for the ink, includes a pad made of a melt blown calendared fabric encapsulated in a gas impermeable pouch.

REFERENCES:
patent: 4029012 (1977-06-01), Smith, III et al.
patent: 4879134 (1989-11-01), Vassiliades
patent: 4983415 (1991-01-01), Arndt et al.
patent: 5395444 (1995-03-01), Arndt et al.
patent: 5620508 (1997-04-01), Yamano et al.
patent: 5669965 (1997-09-01), Sawada et al.

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