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. 17, 1990
Filed:
May. 09, 1988
Applicant:
Inventors:
Anthony J Prisco, Jr, Beverly, NJ (US);
Bruce R Sewter, Pernherton Township, Burlington County, NJ (US);
William E Briggs, Beverly, NJ (US);
Gary L Archer, Mount Holly, NJ (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
210774 ; 210804 ; 210805 ; 210806 ;
Abstract
A method for cleaning a solvent which may conatin hazardous particulate material which comprises liquid and vapor portions which are being recirculated in a closed system. Suspended particulate material is filtered out of the liquid. Dissolved particulate material is removed by distilling the liquid. The vapor is condensed and combined with the clean liquid. A portion of the vapor is recirculated. The solvent may be cleaned and recirculated continuously.