Ceramics and method of producing ceramics

Details Ceramics and method of producing ceramics Ceramics and method of producing ceramics

2005-03-01

2005-03-01

Langel, Wayne A. (Department: 1754)

Chemistry of inorganic compounds

Boron or compound thereof

C423S289000, C423S297000, C423S324000, C423S344000, C423S345000, C423S346000, C423S351000, C423S364000, C423S366000, C423S371000, C423S409000, C423S411000, C423S412000, C423S414000, C423S439000, C423S440000, C423S511000, C423S561100, C423S659000

Reexamination Certificate

active

06861038

ABSTRACT:
A method of continuously producing a non-oxide ceramic formed of a metal constituent and a non-metal constituent. A salt of the metal constituent and a compound of the non-metal constituent and a compound of the non-metal constituent are introduced into a liquid alkali metal or a liquid alkaline earth metal or mixtures to react the constituents substantially submerged in the liquid metal to form ceramic particles. The liquid metal is present in excess of the stoichiometric amount necessary to convert the constituents into ceramic particles to absorb the heat of reaction to maintain the temperature of the ceramic particles below the sintering temperature. Ceramic particles made by the method are part of the invention.

REFERENCES:
patent: 4414188 (1983-11-01), Becker
patent: 4604368 (1986-08-01), Reeve
patent: 5779761 (1998-07-01), Armstrong et al.
patent: 5958106 (1999-09-01), Armstrong et al.
patent: 6409797 (2002-06-01), Armstrong et al.

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