Device for processing rare earths

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United States of America Patent

PATENT NO 4221342
SERIAL NO

05952321

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A device for processing rare earths with a grinding vessel having ball-shaped grinding bodies and an agitator for rotating the bodies, said vessel having a connection for the supply of liquid hexane andhaving near the bottom a tapping opening communicating with an evaporation vessel, said vessels having connections with a vacuum source and for the supply of rare gas, the evaporation vessel having an outlet for the ground product, and an outlet for the vaporlike products communicating with a condenser, the outlet of the condenser communicating through a control vessel and a hexane supply vessel with the inlet of the grinding vessel.

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Patent Owner(s)

  • WIENER & CO. B.V.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Domazer, Hans-Gunter Essen-Stadtwald, DE 3 48
Tadema, Jan C Bergen N. H., NL 5 22

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