High rate cathode formulation
CA 1268204 C · Owner: Johnson, Dennis P. · Inventors: Johnson, Dennis P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Non-aqueous electrolyte cells are disclosed which comprise an alkali metal anode and a solid cathode. The cathode is formed of a major amount of a powdered high energy material having intermixed therewith minor amounts of powdered zinc and powdered sulfur. The mixed cathode material is pelletized and heated in a protective atmosphere to form the cathode. The resulting cells exhibit improved rate capacity.
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 April 24, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 24, 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.
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.