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Delayed-setting calcium phosphate pastes

  • US 8,216,359 B2
  • Filed: 04/14/2005
  • Issued: 07/10/2012
  • Est. Priority Date: 04/15/2004
  • Status: Active Grant
First Claim
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1. A paste comprising a calcium phosphate material in an amount of at least 55% (w/w) and a non-aqueous liquid, in an amount of 5% to 20% (w/w), selected from dimethyl sulfoxide, N-methyl 2-pyrrolidone, glycofurol, ethyl lactate, ethanol, 1,2-dimethoxyethane, diglyme, dimethyl isosorbide, tetrahydrofurfuryl alcohol, triacetin, propylene carbonate, lecithin, and combinations thereof, wherein said paste comprises less than 5% (w/w) water and said paste forms a hardened poorly crystalline apatitic (PCA) calcium phosphate material when said non-aqueous liquid diffuses from said paste.

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