Novel salts of fullerenes
CA 2124191 A1 · Owner: Stiefel, Edward I. · Inventors: Stiefel, Edward I.; Greaney, Mark A.; Cox, Donald M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to new compositions of matter having the formula AnCx, wherein A is a monovalent cation and Cx is a fullerene anion, preferably wherein x is equal to 60 and 70. The present invention also relates to a process for preparing the composition by applying an electrical potential to a non-aqueous solution of a fullerene and a salt containing a monovalent cation. The present invention also relates to a method for electrochemically generating fulleride salts as a solution in other hydrocarbons. The present invention also relates to a method for electrochemically preparing solid fulleride salts. The compositions may be used as electrode material in reversible …
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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
- Filed November 23, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 23, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 23, 2014.
- 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.