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US 7,659,340 B2Granted
Low VOC universal paint colorant compositions
AssigneeValspar Sourcing, Inc.
InventorsMark Randall Coward, Stephen M. Korenkiewicz, David R. Wallace
Life of this patent
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Abstract
A universal colorant composition for both solvent- and water-based paints and coatings includes a colorant component, such as pigment, dye, colorant, tinting agent and/or metal effect agent; a surfactant package including at least one alkyd-compatible; surfactant and at least one latex-compatible surfactant; and a carrier. When the surfactant package is added to a base paint it provides a mixture having a drop in viscosity of less than about 50%.
Claims34
A colorant composition, comprising:
- a colorant component;
- a universal surfactant package, comprising at least one alkyd-compatible surfactant;
- and at least one latex-compatible surfactant;
- and
- a carrier;
- wherein the composition optionally includes additional additives selected from the group consisting of a biocide;
- a humectant;
- one or more extender fillers and any combination thereof;
- wherein the universal surfactant package is compatible with paints that use associative thickeners;
- and
- wherein the composition is in the form of a liquid universal colorant composition that is compatible with both latex and alkyd paints.
8 more elements
Dependencies are inferred from the claim text.