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. 21, 2023
Filed:
Apr. 26, 2017
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Takashi Iseki, Niihama, JP;
Yukihiro Goda, Niihama, JP;
Jun-ichi Kobayashi, Niihama, JP;
Shuji Okada, Niihama, JP;
SUMITOMO METAL MINING CO., LTD., Tokyo, JP;
Abstract
The present invention addresses the problem, in methods for producing a metal or alloy by reducing a mixture that contains an oxide ore, of providing an oxide ore smelting method with good productivity and efficiency. The present invention is an oxide ore smelting method for producing a metal or alloy by reducing a mixture that contains an oxide ore, the method comprising at least: a mixing step Sfor mixing an oxide ore with a carbonaceous reducing agent; a mixture-molding step Sfor molding the mixture obtained to obtain a mixture-molded body; and a reducing step Sfor heating the mixture-molded body obtained at a specified reducing temperature in a reducing furnace.