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:
Oct. 04, 2011
Filed:
May. 28, 2009
Applicants:
Iichi Nakamura, Tokyo, JP;
Jun-ichi Takahashi, Niihama, JP;
Inventors:
Iichi Nakamura, Tokyo, JP;
Jun-ichi Takahashi, Niihama, JP;
Assignee:
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The method for nickel concentration processing, which is low cost, simple and convenient, as well as having low environmental load, which is capable of enhancing nickel content of a saprolite ore with low nickel content, which was not conventionally used effectively as a raw material of ferronickel smelting due to having low nickel content, to a level to be utilized economically as a raw material of ferronickel smelting.