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US 4,902,581 AGranted
Architectural coating with interference colors
AssigneePPG Industries, Inc.
InventorRussell C. Criss
Life of this patent
Estimating the term…
Abstract
A transparent article for reflecting solar energy comprising a metal oxide film which exhibits color by absorption and interference effects and a highly reflective metal film is disclosed along with a sputtering method for its production.
Claims10
An article of manufacture for the reflectance of solar energy comprising:
- a. a transparent substrate;
- b. a transparent colored metal compound film which exhibits color by absorption and interference effects deposited on a surface of said substrate;
- and
- c. a highly infrared reflective transparent metallic film deposited on said metal compound film.
1 more element
Dependencies are inferred from the claim text.