Ink base for pigmented inks, inks manufactured therefrom and their use
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United States of America Patent
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Apr 26, 2005
Grant Date -
May 27, 2004
app pub date -
Nov 19, 2003
filing date -
Nov 22, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An ink base for producing pigmented inks having a water base contains a drying retarder and a pH adjusting agent. The drying retarder contains at least diethylene glycol, 1,6-hexane diol, and pentaerythritol. The pH adjusting agent (PH) contains at least one amine. The ink base contains at least 30.0-95.5% by wt. diethylene glycol; 3.0-40.0% by wt. 1,6-hexane diol; 0.01-3.0% by wt. pentaerythritol; and 1.5-15.0% by wt. amine(s).
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