The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 1985
Filed:
Dec. 16, 1982
Applicant:
Inventors:
Robert J Fiocco, Summit, NJ (US);
James D Bushnell, Berkeley Heights, NJ (US);
Assignee:
Exxon Research and Engineering Co., Florham Park, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
422256 ; 196 1452 ; 202158 ; 210511 ; 2611 / ;
Abstract
An improved cascade weir type extraction zone is described in which at least one of the weir means is disposed above the associated tray. This improved extraction zone is of particular utility in lube oil processing operations.