Method for removing harmful components from a gaseous mixture
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United States of America Patent
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Apr 30, 2002
Grant Date -
N/A
app pub date -
Jul 29, 1998
filing date -
Feb 12, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Compounds having the formula wherein A is an alkaline-earth metal, an alkaline metal, a lanthanide, or a solid solution thereof, B is a transition metal, an element of group III, or a solid solution thereof, and d has a value between 0 and 1; a method for preparing the compounds; a method for producing composite materials on various matrices and thin or thick films deposited on various substrates which contain the compounds; their use; and a method for eliminating certain gases from a mixture that includes them by using the compounds.
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