Biodegradable vehicle/carrier for printing ink
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United States of America Patent
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Aug 28, 2012
Grant Date -
Oct 30, 2008
app pub date -
Feb 15, 2008
filing date -
Feb 15, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Embodiments of the present invention provide a composition useful as an additive to a printing ink. In one embodiment a composition is used that includes a biologically derived base material formed from one or more saturated or unsaturated straight or branched chain triglycerides or combinations thereof, wherein the triglycerides are partially to fully hydrogenated and have a viscosity between about 50 and about 200,000 centipoise at temperatures about 72 degrees Fahrenheit. In another embodiment, the composition further includes a finely divided additive selected from the group consisting of polytetrafluoroethylene or hydrogenated triglycerides in an intimate admixture with the base material. Other aspects relate to a method of making an ink additive and method for printing paper stock by letter press or lithography.
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