Method of treating molten aluminum by removing hydrogen gas and nonmetallic inclusions therefrom

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United States of America Patent

PATENT NO 4670050
SERIAL NO

06809818

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Abstract

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Hydrogen gas and nonmetallic inclusions are removed from molten aluminum by a method comprising applying over the surface of molten aluminum in a container a mixture of at least one compound selected from the group consisting of boron oxides, boric acids and boric acid compounds and a flux comprising a halgen salt, introducing a treating gas into the molten aluminum, and removing the hydrogen gas-containing treating gas and nonmetallic inclusions rising to the surface of the molten aluminum.

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Patent Owner(s)

Patent OwnerAddress
SHOWA ALUMINUM CORPORATIONSAKAISHI OSAKA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ootsuka, Ryotatsu Osaka, JP 3 45
Tanimoto, Shigemi Izumi, JP 8 310
Toyoda, Kazuo Izumi, JP 10 412

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