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:
Jun. 21, 1988
Filed:
Apr. 30, 1986
Rebekah Wu, Pebble Beach, CA (US);
Larry B Tsai, Thousand Oaks, CA (US);
Barbara A Krebs-Yuill, Edmond, OK (US);
David A Milligan, Edmond, OK (US);
Nestor J Troncoso, Westlake Village, CA (US);
John S McBride, Rochester, NY (US);
Albert T Knecht, Manville, LA (US);
Ensci, Inc., Woodland Hills, CA (US);
Abstract
A process for treating a first metal, manganese-containing ore comprising contacting the manganese-containing ore with an aqueous, acidic composition and a material containing at least one metal sulfide at conditions effective to (1) chemically reduce at least a portion of the manganese, (2) solubilize at least a portion of the metal from the metal sulfide, and (3) at least partially liberate the first metal from the ore; and recovering the first metal from the ore. The use of Thiobacillus ferrooxidans and/or added ferric ion in the contacting step are also disclosed.