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. 12, 1983
Filed:
Jun. 18, 1981
Applicant:
Inventors:
Oscar L Norman, Wilmington, DE (US);
Laurence H Handler, Cherry Hill, NJ (US);
Assignee:
Sun-Ohio, Inc., Canton, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208262 ; 210712 ; 210737 ; 210757 ; 210909 ; 210719 ;
Abstract
A field method for removing polychlorinated biphenyls (PCB's) and similar halogenated aromatic hydrocarbons from silicone based oils and hydrocarbon fluids such as transformer oils contaminated with them by contacting the contaminated oil with a hydrocarbon dispersion of sodium, reacting the mixture of oil and sodium dispersion at a temperature above about 75.degree. C., and passing the treated oil through a filter medium or other separating means to remove particulate and other contaminating material.