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. 10, 2001
Filed:
Jul. 27, 1998
Applicant:
Inventor:
Darrell Lynn Gallup, Santa Rosa, CA (US);
Assignee:
Tosco Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/52 ; C02F 9/00 ;
U.S. Cl.
CPC ...
C02F 1/52 ; C02F 9/00 ;
Abstract
A method for removing selenocyanate from aqueous waste water containing a reducing agent by adding a water soluble cupric salt, said waste water containing a reducing agent having a potential to reduce the cupric ion to the cuprous ion, and removing the resulting selenocyanate precipitate from said waste water.