Method for producing chromium-containing multilayer coating and a coated object
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United States of America Patent
Stats
-
Oct 15, 2019
Grant Date -
Nov 17, 2016
app pub date -
Jan 15, 2014
filing date -
Jan 15, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
To produce a chromium-containing multilayer coating on an object, alternate layers of nickel phosphorus alloy and trivalent chromium are deposited on the object until a desired thickness of coating has been reached. The coated object is then subjected to one or more heat treatments to improve the mechanical and physical properties of the coating and to produce multiphase layers comprising layers containing crystalline Ni and crystalline Ni3P and layers containing crystalline Cr.
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International Classification(s)
- 2014 Application Filing Year
- C23C Class
- 2649 Applications Filed
- 2034 Patents Issued To-Date
- 76.79 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 12 Citation Count
- C23C Class
- 95.31 % this patent is cited more than
- 6 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 | Apr 15, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 15, 2031 |
