Environmentally friendly colorant compositions and latex paints/coatings
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United States of America Patent
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Nov 14, 2017
Grant Date -
Dec 31, 2015
app pub date -
Sep 3, 2015
filing date -
Aug 18, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to colorant compositions, and aqueous latex paints or other water-borne coatings made from them, which have a mitigated environmental impact. Levels of solvents, additives and impurities comprising volatile non-aqueous constituents, alkylphenol ethoxylates (and derivatives thereof), crystalline silica, and/or formaldehyde are decreased relative to those typical of preceding generations of colorants and tinted aqueous latex paints and other water-borne coatings. On the other hand, paint-performance as indicated by any of Stormer viscosity stabilization, rheological profile flow/leveling and sag resistance, water sensitivity and color transfer resistance is comparable to a paint in which the aforementioned solvents, additives and impurities are still present.
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Cited Art Landscape
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