Low iron, high redox ratio, and high iron, high redox ratio, soda-lime-silica glasses and methods of making same
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United States of America Patent
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Oct 10, 2023
Grant Date -
Dec 8, 2022
app pub date -
Feb 28, 2022
filing date -
Apr 15, 2013
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Abstract
A method of making glass having a basic soda-lime-silica glass portion, and a colorant portion, the colorant portion including total iron as Fe2O3 in the range of at least 0.00 to no more than 0.02 weight percent, a redox ratio in the range of 0.35 to 0.6, and tin metal providing tin in an amount within the range of greater than 0.005 to 5.0 weight percent; the glass product has a tin side and an opposite air side, said tin side of the glass having a higher concentration of tin than the air side, the air side having a uniform concentration of tin from the air side of the glass product towards the tin side of the glass product.
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