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:
Jun. 10, 2003
Filed:
Jan. 03, 2001
Applicant:
Inventors:
Kazuya Iwamoto, Sakai, JP;
Atsushi Ueda, Osaka, JP;
Masaki Deguchi, Neyagawa, JP;
Masatoshi Nagayama, Katano, JP;
Hiroshi Nishiyama, Moriguchi, JP;
Hiroshi Yoshizawa, Hirakata, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/04 ;
U.S. Cl.
CPC ...
H01M 6/04 ;
Abstract
A salicyl derivative or a salicylidene derivative such as salicyl alcohol or salicylaldehyde is added to a non-aqueous electrolyte to prevent evolution of gas caused by decomposition of the solvent.