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:
Nov. 19, 2013
Filed:
Sep. 10, 2008
Applicants:
Yoshifumi Abe, Ibaraki, JP;
Hiroshi Hosaka, Ibaraki, JP;
Kazuaki Takebayashi, Ibaraki, JP;
Yasunari Ishiguro, Ibaraki, JP;
Akira Yoshimura, Ibaraki, JP;
Inventors:
Yoshifumi Abe, Ibaraki, JP;
Hiroshi Hosaka, Ibaraki, JP;
Kazuaki Takebayashi, Ibaraki, JP;
Yasunari Ishiguro, Ibaraki, JP;
Akira Yoshimura, Ibaraki, JP;
Assignee:
Nippon Mining & Metals Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The copper sulfide ore is leached in the halide bath without using a special oxidant but with the use of only air. The copper and gold in the copper sulfide ore can be leached at high leaching ratio. The treating steps are as follows.