Back to results
US 4,394,064 AGranted
Durable ceramic enamel spandrels
AssigneePPG Industries, Inc.
InventorSamuel Dauson
Life of this patent
Estimating the term…
Abstract
A durable spandrel panel comprising a colored ceramic enamel coating protected by a transparent metal oxide film is disclosed, wherein the dominant wavelength of light reflected by the colored ceramic enamel coating is not equivalent to the dominant wavelength of light transmitted by said transparent metal oxide film.
Claims6
An article for use in curtainwall construction comprising:
- a. a rigid panel substrate;
- b. an opaque colored ceramic enamel coating fired on said substrate;
- and
- c. a transparent, colorless, protective metal oxide film deposited over said ceramic enamel coating,
- wherein the dominant wavelength of light reflected by said opaque ceramic enamel coating is not equivalent to the dominant wavelength of light transmitted by said transparent film.
2 more elements
An article for use in curtainwall construction comprising:
- a. a glass substrate;
- b. an opaque colored ceramic enamel coating fired on said substrate;
- and
- c. a transparent, colorless, protective tin oxide film deposited over said ceramic enamel coating,
- wherein the dominant wavelength of light reflected by said opaque ceramic enamel coating is not equivalent to the dominant wavelength of light transmitted by said transparent film, and wherein the tin oxide is deposited by thermal decomposition of an organotin compound.
2 more elements
Dependencies are inferred from the claim text.