Direct addition of beta-aminoenones in organic electrolytes of nonaqueous cells employing solid cathodes
CA 2459111 C · Owner: Energizer Brands, Llc · Inventors: Webber, Andrew
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for manufacturing a nonaqueous cell employing an anode a cathode and , an organic electrolyte wherein the cathode comprises an active cathode material, and the organic electrolyte contains a beta-aminoenone in a range of 0.1 to 5.0 volume percent based on the volume of the electrolyte solvent so as to aid in reducing the undesirably high initial open circuit voltage normally observed with the use of cathodes such as FeS2.
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 September 30, 2002 and granted November 18, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 30, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 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.