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US 4,648,905 AGranted
Aqueous printing ink
AssigneeUnion Camp Corporation
InventorsMichael C. Peck, Dennis M. Jacobi
Life of this patent
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Abstract
Aqueous printing ink vehicle and ink compositions are disclosed, which are based on sulfated or sulfonated organic compound binders or non-ionic pigment binders.
Claims20
A printing ink vehicle, which comprises:
- (a) a binder consisting essentially of a sulfated or sulfonated organic water dispersible pigment binder;
- (b) from 1 to 10 percent by weight of the vehicle non-volatile portion of a viscosity adjusting agent;
- (c) a defoaming portion of a defoamer;
- (d) sufficient of a pH adjusting agent to obtain a pH of 5-12;
- and
- (e) water;
- wherein the binder comprises 50 to 100 percent of total vehicle solids said vehicle having a viscosity range of from about 150 to about 25,000 centipoise (Brookfield viscosity at 25.degree. C.) and a pH within the range of 5-12.
4 more elements
Dependencies are inferred from the claim text.