Process for synthesizing diamonds

Details Process for synthesizing diamonds Process for synthesizing diamonds

1977-10-13

1978-12-05

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

C01B 3106

Patent

active

041286251

ABSTRACT:
A process for synthesizing larger size diamonds wherein a raw material carbon substance and a solvent-catalyst metal initially isolated from the carbon substance by a metal having no affinity to carbon are subjected to high pressure-high temperature conditions within a diamond-stable region calculated and defined by a specific combination of the carbon substance and solvent-catalyst metal to temporarily restrict nucleation at the reaction earlier stage to control the number of diamond crystal nucleuses.

REFERENCES:
patent: 2947609 (1960-08-01), Strong
patent: 3031269 (1962-04-01), Bovenkerk
patent: 3124422 (1964-03-01), Custers et al.
patent: 4034066 (1977-07-01), Strong et al.
patent: 4042673 (1977-08-01), Strong

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