Process for preparing rare earth borates, and use of the borates obtained in luminescence
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United States of America Patent
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Apr 24, 2007
Grant Date -
Aug 28, 2003
app pub date -
Dec 14, 2000
filing date -
Dec 29, 1999
priority date (Note) -
Expired
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Abstract
The invention concerns a process for preparing rare earth borates, and the use of these borates in luminescence.The preparation process is characterized in that it comprises the following steps mixing boric acid and a rare earth salt; a reacting the mixture obtained with a carbonate or a bicarbonate; a calcining the precipitate obtained.
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