Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Patent
1975-01-24
1977-01-25
Meros, Edward J.
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
B01J 306, C01B 3106
Patent
active
040051803
ABSTRACT:
This invention relates to the synthesis of diamond by subjecting a carbon-containing composition substantially free of carbon-hydrogen covalent bonds to conditions of temperature and pressure such as to cause decomposition of the composition to release carbon atoms or groups of carbon atoms and effect conversion of the released carbon atoms or groups of carbon atoms into diamond. The preferred compositions are halogenated compounds, particularly hexachlorobenzene, hexachloroethane and tetrachloroquinone.
REFERENCES:
patent: 2947609 (1960-08-01), Strong
patent: 3597158 (1971-08-01), Horton
patent: 3607060 (1971-09-01), Kuratomi
patent: 3655340 (1972-04-01), Kuratomi
patent: 3676069 (1972-07-01), Kennedy
patent: 3711595 (1973-01-01), Margrave et al.
Wentorf "J. Physical Chemistry" 1/69, No. 9, Sept. 1965, pp. 3063-3069.
DeJager Pieter Willem Gideon
Greenhalgh Geoffrey Harvey
Wedlake Roger John
De Beers Industrial Diamond Division Limited
Meros Edward J.
Wheelock Eugene T.
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