Process for producing synthetic diamonds

Details Process for producing synthetic diamonds Process for producing synthetic diamonds

1977-02-28

1978-04-18

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

C01B 3106

Patent

active

040851966

ABSTRACT:
A process for producing synthetic diamonds which comprises the synthesis of diamonds from a charge consisting of graphite or a carbonaceous material capable of being graphitized and a catalyst; as the latter use is made of a metalgraphite laminar compound of a transition metal, wherein said metal is interposed between the graphite layers and chemically bonded therewith.
Said catalyst makes it possible to shorten the duration of the synthesis down to several seconds and carry-out the synthesis at a temperature of below 1,200.degree. C. The resulting diamond crystals are colorless and transparent.

REFERENCES:
patent: 2947610 (1960-08-01), Hall et al.
patent: 2992900 (1961-07-01), Bovenkerk
patent: 3268457 (1966-08-01), Giardini et al.
patent: 3334968 (1967-08-01), Ishizuka
patent: 3743703 (1973-07-01), Prikhna et al.

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