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US 12,421,404 B2Granted
Water-based printing ink compositions
AssigneeSun Chemical Corporation
InventorDavis Allred
Life of this patent
Estimating the term…
Abstract
The present invention provides water-based ink and coating compositions comprising greater than 70 wt % natural materials. The ink and coating compositions of the present invention are suitable for printing on feminine care products, baby care products, and other personal care products.
Claims23
A water-based ink or coating composition comprising:
- a) 20 wt % to 70 wt % water, based on the total weight of the composition;
- and
- b) 15 wt % to 40 wt % one or more natural resins, based on the total weight of the composition;
- c) 1 wt % to 20 wt % one or more solvents, based on the total weight of the composition;
- d) 1 wt % to 10 wt % one or more natural waxes, based on the total weight of the composition;
- e) 0.1 wt % to 5 wt % one or more natural defoamers, based on the total weight of the composition;
- and
- f) 1 wt % to 10 wt % one or more neutralizing agents, based on the total weight of the composition;
- wherein the one or more natural resin is selected from the group consisting of rosin, modified rosins, rosin esters, modified rosin esters, epoxidized soybean oil-dampened nitrocellulose, gum Arabic, and combinations thereof;
- wherein the ink or coating composition comprises greater than 70 wt %, up to 100 wt % natural materials, based on the total weight of the composition.
7 more elements
Dependencies are inferred from the claim text.