Title:
Centrifugal countercurrent exchange device
United States Patent 2652975
US Patent References:
/1014849.html
- - 1014849
Centrifugal countercurrent contacting machine
- - 2176982
Process of refining oil
- - 2301109
/1014849.html
- - 1014849
Centrifugal countercurrent contacting machine
- - 2176982
Process of refining oil
- - 2301109
Inventors:
Angelo, Nicholas J.
Publication Date:
09/22/1953
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Assignee:
Walter, Podbielniak J.
Wladzia, Podbielniak G.
Wladzia, Podbielniak G.
Primary Class:
Other Classes:
494/43, 494/27
International Classes:
B04B5/06; B04B5/00