Tetracalcium phosphate-based materials and process for their preparation
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United States of America Patent
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Apr 25, 1995
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N/A
app pub date -
Jun 9, 1993
filing date -
Jul 27, 1990
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Abstract
Tetracalcium phosphate particles are prepared by sintering or fusing at a temperature of at least 1,400.degree. C. a mixture of a powder of calcium source and a powder of phosphorous source in a Ca/P molar ratio of 2:1 and about 0.05 to about 5 parts of aluminum compound per 1 parts of tetracalcium phosphate to be produced in terms of the theoretical amount and finely-dividing the product obtained.
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