Behr Patents Exterior Paint

July 19, 2013

U.S. 8,236,885 B2
Behr Process Corporation has been granted a patent for a process for producing a paint composition comprised of the steps of dispersing a titanium dioxide pigment particles in a solvent to form a dispersion; mixing the dispersion with grind additives and metal oxide nanoparticles having an average particle size of less than 100 nanometers; adding a first acrylic primer binder consisting of a 100% acrylic resin and a second acrylic topcoat binder consisting of a 100% acrylic resin to the dispersion; and adding letdown additives to the dispersion, wherein the resulting composition includes a PVC of approximately; 4 to 55 and a percentage of solid by weight of between 30 and 55; wherein the ratio of the first acrylic primer binder to the second acrylic topcoat binder is 80:20.

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