Vegetable oil-based printing ink and method for producing same
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United States of America Patent
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Aug 4, 1998
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N/A
app pub date -
Sep 10, 1996
filing date -
Sep 10, 1996
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Abstract
Vegetable oil-based printing inks having at least about 20 poises are formulated by admixing a vegetable oil-based printing ink vehicle having an effective amount of polymerized vegetable oil and an effective amount of unpolymerized vegetable oil sufficient to provide the vegetable oil-based printing ink with a viscosity of at least about 20 poises, and an effective amount of colorant to provide the vegetable oil-based printing ink with a predetermined color. Methods for reclaiming residual vegetable oil-based printing ink from a printing press and polymerizing the vegetable oil component of the vegetable oil-based printing ink vehicle are also disclosed.
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