Intimate mixture of calcium and phosphate sources as precursor to hydroxyapatite
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United States of America Patent
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Oct 1, 1991
Issued Date -
N/A
app pub date -
Jul 27, 1990
filing date -
Apr 20, 1988
priority date (Note) -
Expired
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Abstract
Novel compositions are provided for the production of hydroxyapatite, where a dry mixture is provided which combines a calcium source and an acidic phosphate source, particularly monocalcium phosphate monohydrate or orthophosphoric acid crystals. These two are combined, optionally with other ingredients, with mechanical mixing, resulting in partial reaction or intimate combination to produce a product which requires less water for formation of a desired viscosity, has enhanced mechanical properties and is physilogically acceptable.
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