U.S. 8,623,526 B2
Guizhou University has been awarded a patent for a gradient bioceramic coating, wherein the gradient bioceramic coating is prepared with powdery titanium, and powdery composite ceramics, wherein the powdery composite ceramics is composed of powdery ceramics obtained by mixing CaHPO4.2H2O and CaCO3 and a rare earth oxide, wherein the gradient bioceramic coating comprises a first gradient layer, a second gradient layer and a third gradient layer and wherein the first gradient layer and the second gradient layer are composed of powdery titanium and powdery composite ceramics, and the third gradient layer consists of powdery composite ceramics.
Published August 7, 2014
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