Neutral bronze glazings
AssigneeSaint-Gobain Industries
InventorsKlaus Fischer, Robert Keul
Life of this patent
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Abstract
A neutral bronze sheet glass has a dominant wavelength in the vicinity of 575 nm, and a monochromatic transmittance which in the range from about 400 nm to about 550 nm is on the average from about 5 to about 50% lower than in the range from about 550 nm to about 750 nm, and possesses in thicknesses suitable for glazing a luminous transmittance above 70%.
Claims20
An article of manufacture comprising a glass sheet at a thickness suitable for glazing, used for windows and windshields of automotive vehicles, said glazing having a total luminous transmittance above 70% and a monochromatic transmittance which on the average value decreases from the long wavelengths to the short wavelengths in the visible spectrum from about 5 to 50%.
Dependencies are inferred from the claim text.