Electrochemical cell
CA 1306285 C · Owner: Holleck, Gerhard L. · Inventors: Holleck, Gerhard L.; Trung, Nguyen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Disclosed is an electrochemical cell that includes an anode, a cathode, and an electrolyte the, cathode containing more than a trace amount of a sulfur impurity capable of causing the cell to self-discharge and also containing a scavenger that reacts with the impurity to reduce the rate of self-discharge of the cell.
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
- Granted August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 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.