Halo-and hydroxy-modified metal phosphates
CA 2463872 C · Owner: Saidi, M. Yazid · Inventors: Swoyer, Jeffrey; Barker, Jeremy; Saidi, M. Yazid
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Electrode active materials comprising lithium or other alkali metals a , transition metal, a phosphate or similar moiety and a halogen or hydroxyl , moiety. Such electrode actives include those of the formula: AaMb(XY4)cZd wherein (a) A is selected from the group consisting of Li Na, K, and mixtures , thereof, and 0<a<=6; (b) M comprises one or more metals comprising at least , one metal which is capable of undergoing oxidation to a higher valence state and 1 <= b <= 3; (c) XY4 is selected from the group consisting of X'O4-XY'X X'O4-yY'2y, X"S4, and mixtures thereof where X' is P, As, Sb, Si, Ge, S, and mixtures thereof; X'' is P, As, Sb, Si Ge and mixtures thereof; Y' is , halogen; 0<=5 x …
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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 October 18, 2002 and granted December 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 18, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 18, 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
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.