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:
Mar. 07, 2006
Filed:
Jul. 09, 2002
Applicants:
Manoranjan Misra, Reno, NV (US);
Rajendra Mehta, Reno, NV (US);
Songyuan Chen, Reno, NV (US);
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 5/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method is provided for passivating sulfidic iron-containing rock comprising contacting sulfidic iron-containing rock with one or more members of the group consisting of magnesium oxide, magnesium hydroxide, magnesium chloride, magnesium nitrate and magnesium carbonate, thereby reducing the acid generation potential of rock.