Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By addition of extraneous agent – e.g. – solvent – etc.
Patent
1987-03-18
1989-01-17
Caldarola, Glenn
Chemistry of hydrocarbon compounds
Purification, separation, or recovery
By addition of extraneous agent, e.g., solvent, etc.
585864, 260505P, C07C14324
Patent
active
047989157
ABSTRACT:
The invention relates to a process for the extraction of paraffins from mixtures obtained by the sulfoxidation of paraffins having a number of carbon atoms within the range of 12 to 18, which is characterized in that carbon dioxide is used as the solvent under supercritical conditions.
REFERENCES:
patent: 2875257 (1959-02-01), Thompson
patent: 3033898 (1962-05-01), Bray
patent: 3681442 (1972-08-01), Bloch et al.
patent: 4269789 (1981-05-01), Zornes
patent: 4361520 (1982-11-01), Luetzelschwab
English Language Abstract of EPO 131,913.
Faggian Lucio
Marcotullio Armando
Picchi Emilio
Platone Edoardo
Caldarola Glenn
Enichem Augusta S.p.A.
Eniricerche S.p.A.
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