Title:
Method of recovering selective solvents
United States Patent 2593931

Inventors:
Stearns, Walter V.
Publication Date:
04/22/1952
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Assignee:
KELLOGG M W CO
Primary Class:
203/22
Other Classes:
203/98, 202/154, 203/82, 203/71, 203/25
International Classes:
C10G21/28; C10G21/30; C10G21/00
US Patent References:
2185311Solvent recovery
2312912Solvent refining of oil and recovery of the solvent