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:
Apr. 15, 2003
Filed:
May. 20, 1997
Applicant:
Inventors:
Akira Kamada, Kyoto, JP;
Masahiko Kosai, Kyoto, JP;
Assignee:
Japan Storage Battery Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/14 ; H01M 4/62 ;
U.S. Cl.
CPC ...
H01M 4/14 ; H01M 4/62 ;
Abstract
Graphite powder having a mean particle size not larger than 30 &mgr;m is added to a negative electrode plate for a lead storage battery. Preferably, the amount of graphite powder added is in the range of from 0.3% to 2% by weight. Preferably, vein powder is used as the graphite powder. More preferably, 0.3% or more by weight of an organic expander is added.
Kamada, Akira. (2003). Negative electrode plate for lead storage battery (U.S. Patent No. 6548211). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6548211
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile