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. 16, 2012
Filed:
Dec. 08, 2009
Toshiya Yamamoto, Tsukuba, JP;
Takanobu Miyashita, Tsukuba, JP;
Kiyoshi Higuchi, Tsukuba, JP;
Yasuyuki Goto, Tsukuba, JP;
Toshiya Yamamoto, Tsukuba, JP;
Takanobu Miyashita, Tsukuba, JP;
Kiyoshi Higuchi, Tsukuba, JP;
Yasuyuki Goto, Tsukuba, JP;
Tanaka Holdings Co., Ltd, Tokyo, JP;
Abstract
In the method for recovering a metal from a target that contains a metal and a metal oxide, the target contains a sintered body of the metal oxide after being heated under a condition of melting the metal without melting or decomposing the metal oxide. The target is heated in an upper crucible of a two-level crucible that includes the upper crucible with a through hole-formed in a bottom surface thereof, and a lower crucible disposed below the through hole, the size of the through hole being set such that it does not allow the sintered body of the metal oxide contained in the target to pass therethrough, and the melted metal is caused to flow into the lower crucible, so that the metal is separated from the metal oxide.