Lithium polymer cell and manufacturing method thereof
CA 2464075 A1 · Owner: Saito, Yoichiro · Inventors: Saito, Yoichiro; Sakai, Tetsuo; Maeda, Seiji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It is possible to provide a lithium polymer cell having a high ion conductivity and a sufficiently hard solid body to be used as a solid electrolyte for electro-chemical element. The lithium polymer cells sandwiches between an anode and a cathode a solid electrolyte composed of a hardened film obtained from a lithium ion conductive composition containing hardening oligomer, ethylene unsaturated monomer and electrolyte salt. A manufacturing method of the lithium polymer cell is also disclosed.
Read the whole patent
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
- Filed December 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 26, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 26, 2024.
- 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.