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. 22, 2003
Filed:
Oct. 27, 2000
Applicant:
Inventors:
Manoranjan Misra, Reno, NV (US);
Gautam Priyadarshan, Reno, NV (US);
Birendra Kumar Jena, North Canton, OH (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 9/00 ;
U.S. Cl.
CPC ...
C02F 9/00 ;
Abstract
Methods for rendering a cyanide or cyanide-containing compound substantially insoluble in an aqueous solution or suspension of cyanide-containing materials comprising: mixing a reagent comprising a thiosulfate salt with said solution or suspension; and adding to said material a complexing agent selected from the group consisting of divalent copper salts, divalent iron salts, divalent cobalt salts, activated carbon and mixtures of the foregoing are provided.