Main > ORTHOPAEDICS > Metal > Coating > Ca Hydroxyapatite Coating > Electrolytic Method

Product USA. U

PATENT ASSIGNEE'S COUNTRY USA
UPDATE 04.00
PATENT ASSIGNEE University of Alabama
PATENT CLAIMS - Prepg cell comprising metal cathode & aq electrolyte soln
of Ca phosphate & ammonium salt
- Applying voltage 2.5-4 volts & current d. 10-150 milliamps/
square.cm for 0.5-5 min at pH 2.8 & 20-37C to deposit
(X)a-HPO4.2H2O; X = Ca, ammonium, IA or IIA; a = 1 for IIA
& 2 for ammonium & IA & X = Ca (95-99%)
- Converting to Ca hydroxyapatite within 48 hours by contac
ting with animal or human body fluid
PATENT PHOTOCOPY Available on request

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