PPG patents multi-layer coating

February 11, 2009

PPG patents multi-layer coating
Patent No. U.S. 7,354,624 B2
PPG has obtained a patent for a method for improving the anti-fouling and/or self-cleaning properties of a painted article. The article comprises a surface having a coating layer deposited from a polymeric composition deposited. The method is comprised of applying a liquid composition comprised of a photocatalytic
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