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. 23, 2001
Filed:
Jul. 17, 1998
Masahiko Kosai, Kyoto, JP;
Akira Kamada, Kyoto, JP;
Japan Storage Battery Co., Ltd., Kyoto, JP;
Abstract
A valve-regulated lead-acid battery produced by a so-called container formation method including preparing a battery from unformed positive and negative plates filling a predetermined dilute sulfuric acid into said battery, and then applying an electric current to said battery so that the group of plates is formed by container formation is provided. The valve-regulated lead-acid battery has an negative active material containing an oil incorporated therein. The amount of the oil to be incorporated is from 0.05 to 1% by weight. The oil may be a paraffinic oil, naphthenic oil, olefinic oil, aromatic oil or silicon-based oil.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile