Patent No. U.S. 7,153,357 B2
BASF Coatings has received a patent for a coating material comprised of at least one hydrophobic nanoparticle based on silica and at least one hydrophilic nanoparticle based on silica having a BET internal surface area of >300 m2/g. The coating material is comprised of the nanoparticles and in an amount of from 0.8 to 3% by weight, based on the overall solids content of the coating material.
BASF patents Coating material
Published August 10, 2007
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