Patent ID: 8075682

Claim:
A biocompatible multicomponent nanostructured coating composition for load-bearing implants are synthesized on the basis of titanium carbonitride with the addition of necessary elements Ca, P, Mn, and K that improve the mechanical and frictional properties of the coating composition and provide for its bioactivity and absence of toxicity, wherein the overall concentrations of the main and additional elements in the coating composition are in the following relationship: 1.2 < Σ ⁢ ⁢ X i Σ ⁢ ⁢ Y j < 20 , where X i is the overall concentration of the main elements (Ti, C, N) in the coating composition and Y j is the overall concentration of the additional elements (Ca, Zr, Si, K, Mn, O, P) in the coating composition, and wherein the elemental concentration in the coating composition is chosen to keep the following component ratios, at. %: Ti:30-50 C:15-40 N:0.5-30 O:5-25 Ca:0.6-7 Zr:0-20 Si:0-30 P:0.2-1.5 Mn:0.4-1.0 K:0.1-1.0.