Security document printing ink
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United States of America Patent
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-
Oct 30, 1990
Issued Date -
N/A
app pub date -
Feb 21, 1989
filing date -
Apr 27, 1988
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A printing ink for the printing of security documents by the method of engraved steel die printing, wherein the volatile solvents comprise at most 15%, referred to the total weight of the ink, of one or more volatile organic substances, and wherein the volatile matter may further contain water. These inks reply to the new environmental requirements and have still a better wipability on the printing cylinders or plates. They allow document printing without interleaving.
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Cited Art Landscape
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