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. 13, 2010
Filed:
Nov. 24, 2005
Koji Abe, Yamaguchi, JP;
Takaaki Kuwata, Yamaguchi, JP;
Hirofumi Takemoto, Yamaguchi, JP;
Ube Industries, Ltd., Ube-shi, JP;
Abstract
The present invention provides a lithium secondary battery having excellent battery cycle property, electrical capacity, storage characteristic and other battery characteristics for a long period of time, and a nonaqueous electrolytic solution which is usable for the lithium secondary battery. A nonaqueous electrolytic solution in which an electrolyte salt is dissolved in a nonaqueous solvent, comprising (i) a dicarbonyl compound represented by the general formula (I), or (ii) a dicarbonyl compound represented by the general formula (II) and vinylene carbonate and the like in the nonaqueous electrolytic solution. (wherein Rrepresents a hydrogen atom, an alkyl group, an alkenyl group, a phenyl group or the like; and X represents a hydrogen atom, an Rgroup or an ORgroup. Rrepresents an alkyl group, an alkenyl group, a phenyl group or the like.) (wherein Rand X are the same as above; Y and Z represents a hydrogen atom, an Rgroup, an ORgroup, a CORgroup or a CHCORgroup; and n is 1 to 6.).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile