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:
Jan. 04, 2011
Filed:
Jan. 08, 2004
Applicants:
Jun Furukawa, Iwaki, JP;
Yasuyuki Nehyo, Iwaki, JP;
Yutaka Mori, Funabashi, JP;
Tomohiro Hiraki, Fujioka, JP;
Inventors:
Jun Furukawa, Iwaki, JP;
Yasuyuki Nehyo, Iwaki, JP;
Yutaka Mori, Funabashi, JP;
Tomohiro Hiraki, Fujioka, JP;
Assignees:
The Furukawa Battery Co., Ltd., Yokohama-shi, Kanagawa, JP;
Toho Zinc Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/56 (2006.01); H01M 4/58 (2010.01);
U.S. Cl.
CPC ...
Abstract
Provided is a lead-based alloy for a lead-acid battery, comprising not less than 0.02% and less than 0.05% by weight of calcium, not less than 0.4% and not more than 2.5% by weight of tin, not less than 0.005% and not more than 0.04% by weight of aluminum, not less than 0.002% and not more than 0.014% by weight of barium, and the balance of lead and unavoidable impurities.