Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Reexamination Certificate
2006-02-21
2006-02-21
Wyszomerski, George (Department: 1742)
Metal treatment
Process of modifying or maintaining internal physical...
Heating or cooling of solid metal
C148S679000, C148S553000
Reexamination Certificate
active
07001473
ABSTRACT:
Method for producing platinum/copper alloys which envisages the steps of melting platinum and copper parts and/or powders in a predetermined ratio in a controlled atmosphere, keeping the fusion product at the melting temperature for a given time period and subjecting the fusion product thus obtained to heat treatment so as to produce a platinum/copper alloy which is devoid of phase separation products and can be easily worked in the manner of a gold alloy.
REFERENCES:
patent: 6071471 (2000-06-01), Winston
patent: 6562158 (2003-05-01), Kretchmer
Browdy and Neimark PLLC
Melick LLC
Morillo Janelle
Wyszomerski George
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