Gray Glass Having Low Light Transmission
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Jan 9, 2025
app pub date -
Jul 6, 2023
filing date -
Jul 6, 2023
priority date (Note) -
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Abstract
A low light transmission gray glass formed from a composition includes colorants. The colorants include 1.8 wt. % to 2.3 wt. % Fe2O3, 0.28 wt. % to 1.2 wt. % FeO, 0.030 wt. % to 0.040 wt. % Co3O4, 0.0020 wt. % to 0.010 wt. % Se, 0.00050 wt. % to 0.050 wt. % CuO, and 0.01 wt. % to 1 wt. % TiO2. The glass has a visible light transmission (TLA) of less than 15%, a direct solar transmittance (TDS) of less than 14%, an infrared radiation transmittance (TIR) of less than 14%, a UV light transmittance (TUV) of less than 8%, and a total solar transmittance (TTS) of less than 38%.
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