C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
C25D 5/48 (2006.01) A61L 27/00 (2006.01)
Patent
CA 2125333
An alternate method of applying a coating of hydroxyapatite onto metal is to electrodeposit brushite first and then convert the brushite coating to hydroxyapatite. The conversion may be accomplished by immersing the brushite coating in a conversion liquor until the transformation to hydroxyapatite is complete. The conversion liquor preferably consists of: (i) water that is as pure as practically attainable (that is ASTM Type 1 grade), (ii) potassium hydroxide in order to raise the pH to about 9, and (iii) a desired concentration of carbonate ions.
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