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US 6,444,021 B1Granted
Water washable lithographic newspaper printing ink
AssigneeSun Chemical Corporation
InventorsCarl S. Weisbecker, John H. Krech, Richard R. Durand, Jr., Michelle J. Webb, Robert M. Warren
Life of this patent
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Abstract
A water washable lithographic newspaper ink comprising: a modified soybean oil based resin; pigment; an acid neutralizing agent; and a humectant. In addition, the ink according to the present invention may also comprise water, and a rewetting agent, preferably hydroxyethyl ethylene urea.
Claims26
A water washable ink for offset lithographic newspaper printing comprising:
- (a) a modified soybean oil-based resin;
- (b) pigment;
- (c) an acid neutralization agent;
- (d) a humectant;
- and
- (e) water, in an amount of from 0 to less than 5 wt. % based on the total weight of the ink.
3 more elements
Dependencies are inferred from the claim text.