Nonaqueous secondary battery
CA 1297941 C · Owner: Takahashi, Toyohiko · Inventors: Kameyama, Mutsumi; Kikuta, Yoshikazu; Takahashi, Toyohiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nonaqueous secondary battery is disclosed. The positive electrode is composed of a polymer obtained by oxidative polymerization of an aniline compound of the formula:, (1), and, (2) wherein R1 and R2 are C1-5 alkyl or C1-5 alkoxy and X and Y are 0, 1 or 2, or a reduction product of the polymer the negative electrode is composed of (i) an alkali metal (ii), an alkali metal alloy, (iii) an electroconductive polymer or (iv) composite of an electroconductive polymer with an alkali metal or an alkali metal alloy. The electrolytic solution is composed of a supporting electrolyte selected from LiAsF6 , LiBF4 and LiPF6 and a solvent, wherein when the supporting electrolyte is LiAsF6 or LiPF6 , …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.