Coated articles demonstrating electromagnetic radiation transparency and method of mitigating contaminant build-up on a substrate

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United States of America Patent

PATENT NO 11566139
APP PUB NO 20210143846A1
SERIAL NO

17062082

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention is directed to coated articles demonstrating a transmission of electromagnetic radiation having a frequency of 22 to 81 GHz in the range of 70% to 100%. The articles comprise substrates coated with curable film-forming compositions comprising a first film-forming polymer prepared from at least one hydrophobic monomer, a second film-forming polymer prepared from at least one hydrophobic monomer, and a curing agent. Upon application of the curable film-forming composition to the substrate to form a coating layer, the first film-forming polymer is distributed throughout the coating layer, and the concentration of the second film-forming polymer is greater at the surface of the coating layer than the concentration of the second film-forming polymer within the bulk of the coating layer. The present invention is also drawn to methods of mitigating contaminant build-up on a substrate using the curable film-forming compositions described above.

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Patent Owner(s)

Patent OwnerAddress
PPG INDUSTRIES OHIO INC3800 WEST 143RD STREET CLEVELAND OH 44111

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kruszewski, Kristen Allison Park, US 10 54
Luchansky, Matthew S Wexford, US 19 45
Moyano, Daniel F Allison Park, US 6 12
Swarup, Shanti Allison Park, US 148 2162
Xu, Xiangling Allison Park, US 50 258

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