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:
Sep. 18, 1984
Filed:
Aug. 13, 1982
Applicant:
Inventors:
David R Carley, Baton Rouge, LA (US);
Warren B Kirsch, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210737 ; 75109 ; 210912 ; 210917 ; 423140 ;
Abstract
A process for removing solids forming iron impurities from a high density brine. The presence of these impurities in the generally clear brine oftentimes results in a green or brown color. Zinc dust is added to the brine to precipitate the iron impurities.