Method of providing a zirconium surface and resulting product
US9764061B2 · kind B2 · utility
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119References
18Claims
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Key dates
| Filing date | Mar 2, 2016 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | Mar 2, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/30026
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A coating of blue-black or black zirconium of uniform and controlled thickness on a zirconium or zirconium alloy material is accomplished through the treatment of an amorphous zirconium or zirconium alloy substrate, which may have an altered surface roughness. The treatment of amorphous zirconium or zirconium alloy substrates includes oxidation of the substrates. A zirconium coating of uniform and controlled thickness is especially useful in various applications because the uniformly thick zirconium surface of controlled depth provide a barrier against implant corrosion caused by ionization of the metal substrates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.