Specialized metallurgical processes – compositions for use therei – Processes – Producing or purifying free metal powder or producing or...
Reexamination Certificate
2006-05-09
2006-05-09
Wyszomierski, George (Department: 1742)
Specialized metallurgical processes, compositions for use therei
Processes
Producing or purifying free metal powder or producing or...
C075S367000, C075S617000, C075S620000, C423S076000, C423S084000, C423S297000, C423S411000, C423S440000
Reexamination Certificate
active
07041150
ABSTRACT:
A method and apparatus for making alloys or ceramics by the subsurface injection of an equilibrium vapor of a boiling liquid of the ceramic or alloys constituents is disclosed. Various powders and products are disclosed.
REFERENCES:
patent: 2607675 (1952-08-01), Gross
patent: 3085872 (1963-04-01), Griffiths
patent: 4070252 (1978-01-01), Bonsack
patent: 5779761 (1998-07-01), Armstrong et al.
patent: 5958106 (1999-09-01), Armstrong et al.
patent: 6409797 (2002-06-01), Armstrong et al.
patent: 90840 (1958-01-01), None
Anderson Richard Paul
Armstrong Donn Reynolds
Jacobsen Lance E.
Emrich & Dithmar LLC
Hill James J.
Levy Harry M.
The University of Chicago
Wyszomierski George
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