Main > METALS. > Coating > Inorganic Coating > Ca Hydroxyapatite Coating > Electrolytic Method

Product USA. U

PATENT ASSIGNEE'S COUNTRY USA
UPDATE 04.00
PATENT ASSIGNEE University of Alabama
PATENT CLAIMS An electrolytic method for coating metal cathode with Ca hydroxyapatite
- Prepg electrolytic cell comprising metal cathode & aq
electrolyte soln of Ca phosphate monobasic & ammonium
salt
- Applying 2.5-4 Volt voltage to obtain current d. 10-150 milli
amps/square.cm for 0.5-5 min in electrolyte at initial pH
2.8 & 20-37C sufficient to electrodeposit compn
(X)a-HPO4.2H2O; X = Ca, ammonium, Group IA & IIA; a = 1
for IIA & 2 for ammonium & IA & X = Ca (95-99%)
- Galvanostatically controlling deposition rate & time
- Converting to Ca hydroxyapatite within 48 hours by contac
ting with animal or body fluid
PATENT PHOTOCOPY Available on request

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