UV absorbing glass
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United States of America Patent
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Oct 6, 1998
Issued Date -
N/A
app pub date -
May 7, 1996
filing date -
Dec 16, 1992
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Expired
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Abstract
UV absorbing glass is prepared by mixing ultrafine colloidal cerium oxide with glass-forming substances during the fabrication of the glass. An aqueous colloidal dispersion containing 1-20 weight percent 10-20 nm cerium oxide particles, optionally including a binder, is admixed with silica sand, and the sand is dried, melted and cooled to give a relatively clear UV absorbing glass containing 0.3-2 weight percent cerium oxide.
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