IP Library › Granted Patent US 8,497,113
Granted Patent B2
US 8,497,113 · App. 11/651,453 · Granted Jul 30, 2013

Chloride ion-resistant sulfur-oxidizing bacteria

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Quick Facts
Patent No.
US 8,497,113
App. No.
11/651,453
Granted
Jul 30, 2013
Kind
B2
Abstract

A microorganism having an ability to oxidize sulfur even at high chloride ion concentration is provided. Specifically, a microorganism belonging to the genus Acidithiobacillus having the ability to oxidize sulfur even at high chloride ion concentration is provided. A method for bacterial leaching of copper sulfide ores and a method for improving alkaline soil using the microorganism are also provided.

Claims (1)

1. A biologically pure culture of Acidithiobacillus sp. TTH-19A strain (NITE BP-164) having an ability to oxidize sulfur even at high chloride ion concentrations ranging from 5 to 30 g/l.

Assignments (3)
CHANGE OF NAME Recorded Oct 19, 2010
From: NIPPON MINING HOLDINGS, INC.
To: JX NIPPON MINING & METALS CORPORATION
Reel/Frame 025163/0035 →
MERGER Recorded Oct 14, 2010
From: NIPPON MINING & METALS CO., LTD.
To: NIPPON MINING HOLDINGS, INC.
Reel/Frame 025141/0435 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 10, 2007
From: OHTSUKA, NORIMASA; MITARAI, TSUYOSHI
To: NIPPON MINING & METALS CO., LTD.
Reel/Frame 018781/0948 →