RARE EARTH-CONTAINING FILTER BLOCK AND METHOD FOR MAKING AND USING THE SAME
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United States of America Patent
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Issued Date -
Feb 7, 2013
app pub date -
Mar 6, 2012
filing date -
Feb 7, 2011
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Abandoned
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Abstract
This disclosure relates to a rare earth-containing filter block, more particularly to a rare earth-containing filter block and methods for making and using the rare earth-containing filter block.
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