Calcium phosphate cements made from (TTCP) with surface...

Details Calcium phosphate cements made from (TTCP) with surface... Calcium phosphate cements made from (TTCP) with surface...

2007-02-27

2007-02-27

Langel, Wayne A. (Department: 1754)

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

C106S035000, C106S690000, C428S403000, C428S404000

Reexamination Certificate

active

11133152

ABSTRACT:
A tetracalcium phosphate (TTCP) particle for use in preparing a fast-setting, bioresorbable calcium phosphate cement is disclosed. The TTCP particle has a basic calcium phosphate whiskers on a surface thereof; the basic calcium phosphate whiskers having a Ca/P molar ratio greater than 1.33, and having a length up to about 5000 nm and a width up to about 500 nm. The basic calcium phosphate whiskers are substantially free of a hydroxyapatite phase and mainly composed of TTCP phase.

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