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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 6872376 B1

PDFFull Text
Date of Patent:
Mar. 29, 2005

Filed:

Dec. 04, 2001

Modified vanadium compound, producing method thereof, redox flow battery electrolyte composite and redox flow battery electrolyte producing method

Applicants:

Yasuyuki Tanaka, Tokyo, JP;

Muneo Mita, Tokyo, JP;

Ken Horikawa, Tokyo, JP;

Nobuyuki Tokuda, Osaka, JP;

Masayuki Furuya, Osaka, JP;

Michiru Kubata, Osaka, JP;

Inventors:

Yasuyuki Tanaka, Tokyo, JP;

Muneo Mita, Tokyo, JP;

Ken Horikawa, Tokyo, JP;

Nobuyuki Tokuda, Osaka, JP;

Masayuki Furuya, Osaka, JP;

Michiru Kubata, Osaka, JP;

Assignees:

Nippon Chemical Industrial Co., Ltd., Tokyo, JP;

Kansai Electric Power Co., Inc., Osaka, JP;

Sumitomo Electric Industries, Ltd, Osaka, JP;

Attorney:

Westerman, Hattori, Daniels & Adrian LLP

Primary Examiner:

Stanley S Silverman

Assistant Examiner:

Ardith E Hertzog

Int. Cl.
CPC ...
C01B017/96 ; C01G031/00 ;
U.S. Cl.
CPC ...
Abstract

A modified vanadium compound characterized in that vanadium sulfate (III), or a mixed vanadium compound of vanadium sulfate (III) and vanadyl sulfate (IV) contains excessive sulfuric acid other than sulfate group composing the vanadium sulfate (III) or the vanadyl sulfate (IV), and when the modified vanadium compound is used, a redox flow battery electrolyte can be prepared easily.

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Tanaka, Yasuyuki. (2005). Modified vanadium compound, producing method thereof, redox flow battery electrolyte composite and redox flow battery electrolyte producing method (U.S. Patent No. 6872376). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6872376

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