Polymeric tandem dyes with linker groups
US-12319817-B2 · Jun 3, 2025 · US
Polyphosphine oxides or thioxides
Polyphosphine oxides or thioxides · 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 | C07F9/5329 |
| Official title | {Polyphosphine oxides or thioxides} |
| Display label | Polyphosphine oxides or thioxides |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polymeric tandem dyes with linker groups
US-12275851-B2 · Apr 15, 2025 · US
Compound, Coating Composition Comprising Same, Organic Light-Emitting Device Comprising Same, and Method for Manufacturing Same
US-2025011350-A1 · Jan 9, 2025 · US
Phosphoryl derivative, use, organic light-emitting diode, and display apparatus
US-2024425535-A1 · Dec 26, 2024 · US
Method for Producing Compound, Compound, and Metal Catalyst
US-2024352052-A1 · Oct 24, 2024 · US
N-Doped Semiconducting Material Comprising Phosphine Oxide Matrix and Metal Dopant
US-2024298524-A1 · Sep 5, 2024 · US
Method for producing diphosphine monoxide
US-2024158424-A1 · May 16, 2024 · US
Organic electroluminescent devices
US-11778908-B2 · Oct 3, 2023 · US
Polycyclic aromatic compound
US-2023276708-A1 · Aug 31, 2023 · US
Compound, a display panel and an electronic device
US-11649254-B2 · May 16, 2023 · US
Polymeric tandem dyes with linker groups
US-2023012304-A1 · Jan 12, 2023 · US
Light-emitting device and apparatus including the same
US-2022367815-A1 · Nov 17, 2022 · US
Organic electronic device comprising an organic semiconductor layer
US-11502258-B2 · Nov 15, 2022 · US
Light-emitting device and electronic apparatus including light-emitting device
US-2022359830-A1 · Nov 10, 2022 · US
Polymeric tandem dyes with linker groups
US-11453783-B2 · Sep 27, 2022 · US
Electroluminescent material, method for manufacturing same, and light emitting device
US-2021403494-A1 · Dec 30, 2021 · US
Polymeric tandem dyes with linker groups
US-2021340380-A1 · Nov 4, 2021 · US
N-Doped Semiconducting Material Comprising Phosphine Oxide Matrix and Metal Dopant
US-2021202842-A1 · Jul 1, 2021 · US
Polymeric tandem dyes with linker groups
US-2021032474-A1 · Feb 4, 2021 · US
Compound and synthesis method therefor
US-10835895-B2 · Nov 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07F9/5329?
- CPC C07F9/5329 is the Cooperative Patent Classification code for “Polyphosphine oxides or thioxides.”
- How many patents are filed under CPC C07F9/5329 (Polyphosphine oxides or thioxides)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C07F9/5329 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).