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:
Feb. 18, 1992
Filed:
Nov. 09, 1990
Applicant:
Inventor:
Andrew P Murphy, Littleton, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210719 ; 204150 ; 210723 ; 210757 ; 210902 ; 210908 ; 210912 ; 423508 ;
Abstract
A chemical process for selectively removing organoselenium compounds and selenate from water supplies. The process utilizes a combination of transition metal selected from the group consisting of nickel and copper and an electropositive metal selected from the group consisting of magnesium and aluminum to effectively remove selenium whether present in the water as organic or inorganic compounds or in ionic or non-ionic form.