Expired Canadian patentCanada
Cathode composition and method for solid state lithium battery
CA 1268809 C · Owner: Hope, Stephen F. · Inventors: Hope, Stephen F.; Hope, Henry F.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cathode for a solid-state lithium battery comprising a layer of polymer spheres. Each polymer sphere consists of a vanadium oxide core encapsulated in an ionically and electronically conductive polymeric material.
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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 May 8, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 8, 2007.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 14, 1986
GrantedMay 8, 1990
Term endedMay 8, 2007
Patent numberCA 1268809 C
Classification (IPC)H01M4/48 +2 more
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.