Condensation and water resistant jet ink
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United States of America Patent
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Jan 21, 1997
Grant Date -
N/A
app pub date -
Jul 13, 1995
filing date -
Jul 13, 1995
priority date (Note) -
Expired
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Abstract
The present invention provides jet ink compositions that produce on glass, metal, plastic, and rubber surfaces messages having high visual intensity, and condensation and water resistance. The inventive compositions comprise a polyamine, a colorant, and an acidic resin. The present invention further provides jet ink compositions further comprising water as the ink carrier. The colorant used in the ink composition of the present invention includes a dye, a pigment, or a polymeric hollow microsphere. The polyamine used in the ink composition of the present invention includes a dendrimer. The ink composition of the present invention may additionally include pH adjusting agents, humectants, biocides, defoamers. The present invention further provides an improved process of jet printing on glass, metal, plastic, and rubber surfaces messages having improved condensation and water resistance, and improved visual intensity, the improvement comprising using the ink composition of the present invention.
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