Method for making soluble zirconium and hafnium organic acid complexes
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United States of America Patent
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Dec 3, 1996
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N/A
app pub date -
Jun 7, 1995
filing date -
Jun 7, 1995
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Expired
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Abstract
Soluble zirconium and hafnium organic acid complexes are made by forming an aqueous mixture of a basic carbonate of either zirconium or hafnium and the organic acid such a propionic acid. The molar ratio of the organic acid to metal in the carbonate is greater than about 1.5. The mixture is heated with stirring to form the complex which is then recovered as a dry, free-flowing powder.
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