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. 12, 2010
Filed:
Jul. 04, 2005
Applicants:
Kenji Wada, Takarazuka, JP;
Toshiaki Fukuyama, Nara, JP;
Ryotatsu Otsuka, Kawachinagano, JP;
Inventors:
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 61/00 (2006.01); C22B 9/02 (2006.01); C01B 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The disclosure is directed to a method for purifying metals, which can very efficiently and inexpensively eliminate impurity elements included in various metallic or semiconductor materials, or more specifically included in metallurgical grade silicon.