Solvent-extraction process and apparatus
United States Patent 2273557

Inventors:
Michele, Bonotto
Publication Date:
02/17/1942
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Assignee:
EXTRACTOL PROCESS LTD
Primary Class:
202/169
Other Classes:
554/12, 210/189, 159/DIG.011, 210/676, 422/268, 554/20
International Classes:
B01D11/02; C11B1/10; C11B1/00