Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Reexamination Certificate
2011-08-02
2011-08-02
Wyszomierski, George (Department: 1733)
Specialized metallurgical processes, compositions for use therei
Processes
Producing or treating free metal
C075S300000
Reexamination Certificate
active
07988762
ABSTRACT:
There is provided a protective gas composition for preventing combustion of a molten magnesium/magnesium alloy, containing a compound selected from the group consisting of 1,1,1,3,3-pentafluoropropane (HFC-245fa), 1,3,3,3-tetrafluoropropene (OHFC-1234ze), methyl 1,1,2,2-tetrafluoroethyl ether (HFE-254pc), which are fluorine-containing organic compounds, and mixtures thereof; and a carrier gas.
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Hibino Yasuo
Kamado Shigeharu
Okumura Hayato
Sakyu Fuyuhiko
Yamagata Daisuke
Central Glass Company Limited
Crowell & Moring LLP
McGuthry-Banks Tima M
Nagaoka University of Technology
Wyszomierski George
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