In situ calcium phosphate minerals--method and composition

Details In situ calcium phosphate minerals--method and composition In situ calcium phosphate minerals--method and composition

1988-04-20

1989-11-14

Stoll, Robert L.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

423309, 623 16, 623901, 4331991, 606 53, 606 92, 606 76, C01F 1100

Patent

active

048806102

ABSTRACT:
Calcium phosphate minerals are formed by using highly concentrated phosphoric acid in conjunction with a calcium source, normaly as carbonate or a combination of carbonate and hydroxide, optimally in conjunction with calcium phosphate crystals and additional base to neutralize the phosphoric acid. Protein may be optionally added. The resulting product is readily formed and then sets to a hard, stable, workable shaped object.

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patent: 4274879 (1981-06-01), Irvine
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patent: 4429691 (1984-02-01), Niwa et al.
patent: 4518430 (1985-05-01), Brown et al.

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