Alloy for medical use, and method for producing same
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United States of America Patent
Stats
-
Jan 5, 2021
Grant Date -
Feb 2, 2017
app pub date -
Jan 30, 2014
filing date -
Dec 20, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention provides an alloy for medical use including an Au—Pt alloy, in which the Au—Pt alloy has a Pt concentration of 24 mass % or more and less than 34 mass % with the balance being Au, and has at least a material structure in which a Pt-rich phase having a Pt concentration higher than that of an α-phase is distributed in an α-phase matrix, the Pt-rich phase has a Pt concentration that is 1.2 to 3.8 times the Pt concentration of the α-phase, and the Pt-rich phase has an area ratio of 1 to 22% in any cross-section. This alloy is an artifact-free alloy material that exhibits excellent compatibility with a magnetic field environment such as an MRI and has magnetic susceptibility of ±4 ppm with respect to magnetic susceptibility of water.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2014 Application Filing Year
- C22F Class
- 283 Applications Filed
- 205 Patents Issued To-Date
- 72.44 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- C22F Class
- 80.58 % this patent is cited more than
- 4 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 5, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 5, 2032 |
