Method for producing pure monocarbides, mononitrides and carboni

Details Method for producing pure monocarbides, mononitrides and carboni Method for producing pure monocarbides, mononitrides and carboni

1973-12-21

1976-08-24

Padgett, Benjamin R.

Chemistry of inorganic compounds

Radioactive

Transuranium compound

423250, 423252, 423256, 423440, C01G 5600, C01F 1500, C01G 4300, C01R 3134

Patent

active

039767493

ABSTRACT:
Pure monocarbides, or pure mononitrides or carbonitrides of metals are prepared by first forming a mixture of carbon with an oxalate of the metals and thermally decomposing the metal oxalate in the presence of the carbon by a stream of hydrogen. The hydrogen is removed and monocarbides are then formed by heating the decomposition products in vacuo to carbothermally reduce them. Mononitrides and carbonitrides can be formed by replacing the hydrogen with nitrogen and heating the decomposition products in the nitrogen.

REFERENCES:
patent: 2771340 (1956-11-01), Kamen
patent: 2896930 (1956-07-01), Menke
patent: 2933369 (1960-04-01), Ritter
patent: 3104940 (1963-09-01), Bril
patent: 3334974 (1967-08-01), Fletcher
patent: 3377141 (1968-04-01), Hardy
patent: 3386811 (1968-06-01), Hanson
patent: 3399979 (1968-09-01), Hamling
patent: 3399980 (1968-09-01), Bourdeau
patent: 3723594 (1973-03-01), Proctor

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