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US 11,299,574 B2Granted
Latex polymer for improved paint washability
OwnerMary Jane Hibben, Michael Wildman +3inventors
InventorsMary Jane Hibben, Michael Wildman, T. Howard Killilea, William Heiden, Bruce Johnson
Life of this patent
Estimating the term…
Abstract
The present invention is directed to a coating composition or paint comprising a polymer system including one or more latex polymers, wherein the acid content and molecular weight of the latex polymers are balanced to provide a coating composition that demonstrates optimal performance characteristics of washability or stain resistance, especially when used in a flat finish paint.
Claims20
An architectural paint, comprising:
- a polymer system comprising one or more latex polymers, wherein at least about 10% up to 30% by weight of the polymer system includes at least one polymer having a molecular weight of about 10,000 to about 40,000 and an acid percent of at least about 5 up to about 20.
Dependencies are inferred from the claim text.