Process for production of composition
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United States of America Patent
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Apr 30, 2013
Grant Date -
Oct 23, 2008
app pub date -
Feb 25, 2005
filing date -
Feb 25, 2005
priority date (Note) -
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Abstract
The invention provides a process for production of a composition comprising a perovskite structure compound, the process comprising: a first process to heat a hydrous oxide of at least one B group element selected from the group consisting of Ti, Zr, Hf, and Sn at a temperature within a range of 80 to 300° C. in the presence of an aqueous medium so as to dehydrate the hydrous oxide; and a second process to heat a reaction product obtained in the first process and a hydroxide of at least one A group element selected from the group consisting of Ba, Sr, Ca, Mg and Pb at a temperature within a range of 100 to 300° C. in the presence of an aqueous medium.
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