Clear glass composition

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Reexamination Certificate

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Reexamination Certificate

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07037869

ABSTRACT:
Glass is provided so as to have high visible transmission and/or fairly clear or neutral color. In certain example embodiments, the glass may include a base glass (e.g., soda lime silica base glass) and, in addition, by weight percentage:total iron (expressed as Fe2O3):0.01 to 0.30%erbium oxide (e.g., Er2O3):0.01 to 0.30%.

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U.S. Appl. No. 10/457,552 filed Jun. 10, 2003.
“Ultraviolet-Absorbing Colorless Transparent Glass”, Hidetoshi, JP11060269, vol. 1999, No. 88.

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