Separation of naphthalenic from nonnaphthalenic hydrocarbons
United States Patent 3132078
US Patent References:
2-pyrrolidone as a selective solvent for aromatic hydrocarbons
- - 2737538
Selective solvent extraction of naphthene hydrocarbons employing 2-pyrrolidone
- - 2771494
Recovery of petroleum naphthalene
- - 3043890
2-pyrrolidone as a selective solvent for aromatic hydrocarbons
- - 2737538
Selective solvent extraction of naphthene hydrocarbons employing 2-pyrrolidone
- - 2771494
Recovery of petroleum naphthalene
- - 3043890
Inventors:
Stanley, Backlund Peter
Publication Date:
05/05/1964
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Assignee:
UNION OIL CO
Primary Class:
Other Classes:
208/348, 203/82, 203/81, 203/71