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 8402620 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 26, 2013

Filed:

Jan. 04, 2012
Applicant:

Isamu Kurisawa, Kyoto, JP;

Inventor:

Isamu Kurisawa, Kyoto, JP;

Assignee:

GS Yuasa International Ltd., Kyoto-shi, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/68 (2006.01); H01M 4/82 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a positive electrode current collector for a lead-acid battery including a coating of tin dioxide formed on the surface of a current collector substrate of titanium or a titanium alloy, the half width of a peak with the maximum intensity among peaks of tin dioxide in the x-ray diffraction pattern of the positive electrode current collector for a lead-acid battery is 1° or lower.


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Kurisawa, Isamu. (2013). Positive electrode current collector for lead accumulator (U.S. Patent No. 8402620). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8402620

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