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.:

US 7811356 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 12, 2010

Filed:

Jul. 04, 2005
Applicants:

Kenji Wada, Takarazuka, JP;

Toshiaki Fukuyama, Nara, JP;

Ryotatsu Otsuka, Kawachinagano, JP;

Inventors:

Kenji Wada, Takarazuka, JP;

Toshiaki Fukuyama, Nara, JP;

Ryotatsu Otsuka, Kawachinagano, JP;

Assignee:
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.


Find Patent Forward Citations

Wada, Kenji. (2010). Method of purifying metal (U.S. Patent No. 7811356). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7811356

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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