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Application

5042006/02, 1992-05-14

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Actual filing date

1992-05-14

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Published

1994-01-30

(72)

Inventor

Parshin A.P.Pavlik V.V.Lazarenko V.V.Rumjantsev V.K.Fal'Kovskij V.A.Sergeev N.N.Kulakova V.V.Chistjakova V.A.Vol'Dman S.G.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Khimicheskoj Tekhnologii

METHOD FOR TUNGSTEN CARBIDE PRODUCTION Russian patent published in 1994 - IPC

Abstract RU 2006465 C1

FIELD: processing of infusible rare metal ores. SUBSTANCE: before reduction tungsten concentrate is calcined within 2-4 h at 600-950 C. Smelting is carried out in the presence of aluminium, its quantity being 0.3-0.6 parts per 1 part of tungsten. EFFECT: improves efficiency of the method. 4 cl

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RU 2 006 465 C1

Authors

Parshin A.P.

Pavlik V.V.

Lazarenko V.V.

Rumjantsev V.K.

Fal'Kovskij V.A.

Sergeev N.N.

Kulakova V.V.

Chistjakova V.A.

Vol'Dman S.G.

Dates

1994-01-30—Published

1992-05-14—Filed

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