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:
Apr. 16, 2013
Filed:
Apr. 18, 2008
Applicants:
Koichiro Nakamura, Tokyo, JP;
Akihiro Hishinuma, Tokyo, JP;
Shinji Kamiya, Tokyo, JP;
Inventors:
Assignee:
Nippon Sheet Glass Company, Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 21/00 (2006.01); C22B 58/00 (2006.01); C25C 1/00 (2006.01); B01D 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present disclosure describes a method for recovering metals such as gallium, indium and aluminum from III-V group compound semiconductors or semiconducting materials thereof containing arsenic, antimony and/or selenium. The method includes the step of adsorbing the arsenic, antimony and selenium selectively to an adsorbent containing the rare-earth metal compound with the use of the adsorbent.