Fluoride glass compositions based on actinides or yttrium
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United States of America Patent
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Jan 5, 1988
Issued Date -
N/A
app pub date -
May 28, 1985
filing date -
Aug 19, 1980
priority date (Note) -
Expired
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Abstract
Fluoroglasses, their preparation and intermediate products obtained. These glasses are characterized by containing as the forming element at least about 10% by moles of a metal fluoride or mixture of metal fluorides of the formula MF.sub.n, n being a number equal to 3 or 4, M representing a 5f transition metal when n=4 (fluoride MF.sub.4) and a 4f transition metal or yttrium when n=3 (fluoride MF.sub.3), it being understood that said glasses are free of hydrofluoric acid as the forming element.
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