Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Reexamination Certificate
2004-12-24
2010-10-26
Group, Karl E (Department: 1793)
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
C501S070000, C501S071000, C428S426000, C428S430000, C428S436000
Reexamination Certificate
active
07820575
ABSTRACT:
The present invention provides a near-infrared absorbent green glass composition which contains basic glass components and 0.6 to 1.3% total iron oxide amount in terms of Fe2O3(T-Fe2O3), 0 to 2.0% CeO2and, 300 ppm or less MnO expressed in units of mass and wherein a mass ratio (FeO ratio) of FeO converted into Fe2O3relative to the T-Fe2O3is from 0.21 to 0.35. Further the glass composition satisfies at least one of the following a) and b):a) when the glass composition is formed to have a thickness in the range of 1.3 to 2.4 mm, a visible light transmittance is at least 80%, a total solar energy transmittance is 62% or less, a dominant wavelength is from 500 to 540 nm, and an integrated value obtained by integrating transmittance of every 1 nm in the wavelength from 1100 to 2200 nm is 62000 or less;b) when the glass composition is formed to have a thickness in the range of 3 to 5 mm, a visible light transmittance is at least 70%, a total solar energy transmittance is 45% or less, a dominant wavelength is from 495 to 540 nm, and an integrated value obtained as above is 62000 or less.
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Murakami Harunori
Nagashima Yukihito
Seto Hiromitsu
Tanaka Hiroyuki
Bolden Elizabeth A
Group Karl E
Hamre Schumann Mueller & Larson P.C.
Nippon Sheet Glass Company Limited
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