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Calcium phosphate hydroxyapatite precursor and methods for making and using the same

  • US 5,545,254 A
  • Filed: 12/09/1994
  • Issued: 08/13/1996
  • Est. Priority Date: 03/12/1993
  • Status: Expired due to Term
First Claim
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1. An improved method for preparing a tetracalcium phosphate based calcium phosphate-containing composition comprising combining tetracalcium phosphate and at least one other sparingly soluble calcium phosphate, wherein the improvement comprises employing tetracalcium phosphate which is substantially free of calcium oxide.

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