Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Reexamination Certificate
2011-06-14
2011-06-14
Wyszomierski, George (Department: 1733)
Specialized metallurgical processes, compositions for use therei
Processes
Producing or treating free metal
C075S529000, C075S530000, C266S047000, C266S225000, C266S267000
Reexamination Certificate
active
07959708
ABSTRACT:
A method and apparatus for forming internally shrouded supersonic coherent jets comprising an inert gas, such as pure argon and argon/oxygen mixtures. This method and apparatus can be employed to produce low-carbon steels with a top lance in basic oxygen steelmaking.
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Mahoney William John
Vardian Gary Thomas
Black Donald T.
McGuthry-Banks Tima M
Praxair Technology Inc.
Wyszomierski George
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