Compounds comprising phosphorus-containing metal complexes
CA 2495755 A1 · Owner: Wang, Ying · Inventors: Wang, Ying; Lecloux, Daniel David; Radu, Nora Sabina
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds comprising phosphorus-containing metal complexes can be used in electroluminescent devices and have an emission maximum closer to the blue region of the visible light spectrum. The complexes can be used within an organic active layer in electronic devices such as displays, detectors, voltaic cells solid-state lighting, illumination devices or the like. The complexes may also be used as catalysts or as indicators in other applications. The new compounds can be used without the need of a host material. In non-limiting embodiments, Pt or Ir may be used for the metal atom within the complex, one ligand may include a phosphorus-containing bidentate ligand, and another ligand …
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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 August 15, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 15, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 15, 2025.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.