Solvent refining of oil and recovery of the solvent
United States Patent 2312912

Inventors:
Kiersted Jr., Wynkoop
Publication Date:
03/02/1943
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Assignee:
TEXAS CO
Primary Class:
208/321
Other Classes:
203/87, 554/210, 203/71, 554/206
International Classes:
C10G21/28; C10G21/00