Process for producing a printing-ink stock, and printing ink produced from said stock
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United States of America Patent
Stats
-
May 23, 1989
Grant Date -
N/A
app pub date -
May 4, 1988
filing date -
May 7, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to a process for producing a printing-ink stock. According to the invention, a solid and oxidation-sensitive thermoplastic resin binder and a pigment are supplied to an extruder and combined therein to form a pigment dispersion. In an end zone of the extruder and/or shortly after discharge from the extruder, a liquid diluent is added to the pigment dispersion to produce a more or less viscous, liquid, stabilized product. The invention also relates to a printing ink produced from the product so obtained.
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