Compounds for electronic devices
US-10439145-B2 · Oct 8, 2019 · US
the ring phosphorus atom being part of a phosphine
the ring phosphorus atom being part of a phosphine · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07F9/65683 |
| Official title | {the ring phosphorus atom being part of a phosphine} |
| Display label | the ring phosphorus atom being part of a phosphine |
| Total patents | 121 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 10 |
| 2017 | 8 |
| 2018 | 16 |
| 2019 | 13 |
| 2020 | 18 |
| 2021 | 9 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Phosphacycle compound and process for production thereof
US-10357764-B2 · Jul 23, 2019 · US
Novel chiral dihydrobenzooxaphosphole ligands and synthesis thereof
US-2019144475-A1 · May 16, 2019 · US
Stereoselective process
US-10189776-B2 · Jan 29, 2019 · US
Phosphacycle compound and process for production thereof
US-2018291048-A1 · Oct 11, 2018 · US
Triphenylene-based materials for organic electroluminescent devices
US-2018269411-A1 · Sep 20, 2018 · US
Stereoselective process
US-2018258031-A1 · Sep 13, 2018 · US
Heptaphosphorus-derived compounds as flame retardants
US-2018216008-A1 · Aug 2, 2018 · US
Process for oligomerization
US-2018154344-A1 · Jun 7, 2018 · US
Novel chiral dihydrobenzooxaphosphole ligands and synthesis thereof
US-2018155375-A1 · Jun 7, 2018 · US
Triphenylene-based materials for organic electroluminescent devices
US-9985226-B2 · May 29, 2018 · US
Metal-assisted delayed fluorescent emitters containing tridentate ligands
US-2018138428-A1 · May 17, 2018 · US
Organic light-emitting diode materials
US-9972795-B2 · May 15, 2018 · US
Formulations and electronic devices
US-2018114912-A1 · Apr 26, 2018 · US
Chromium complex and catalyst therefrom
US-2018071725-A1 · Mar 15, 2018 · US
Polycyclic aromatic compound
US-2018069182-A1 · Mar 8, 2018 · US
Materials for electronic devices
US-9893297-B2 · Feb 13, 2018 · US
Formulations and electronic devices
US-9882135-B2 · Jan 30, 2018 · US
Condensed cyclic compound and organic light-emitting device including the same
US-9871208-B2 · Jan 16, 2018 · US
Materials for electronic devices
US-2018006237-A1 · Jan 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07F9/65683?
- CPC C07F9/65683 is the Cooperative Patent Classification code for “the ring phosphorus atom being part of a phosphine.”
- How many patents are filed under CPC C07F9/65683 (the ring phosphorus atom being part of a phosphine)?
- Our database includes 121 publications tagged with this CPC code.
- Is patent activity under CPC C07F9/65683 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).