Purifying phosphorus halide compounds
US-2026042669-A1 · Feb 12, 2026 · US
Halides or oxyhalides of phosphorus
Halides or oxyhalides of phosphorus · 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 | C01B25/10 |
| Official title | Halides or oxyhalides of phosphorus |
| Display label | Halides or oxyhalides of phosphorus |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 11 |
| 2022 | 2 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Solid electrolyte, electrochemical battery including the solid electrolyte, and method of preparing the solid electrolyte
US-2025260047-A1 · Aug 14, 2025 · US
Semiconductor nanoparticle aggregate, semiconductor nanoparticle aggregate dispersion liquid, semiconductor nanoparticle aggregate composition, and semiconductor nanoparticle aggregate cured film
US-12331238-B2 · Jun 17, 2025 · US
Method for producing phosphorus trifluoride and method for producing phosphorus pentafluoride
US-2025178902-A1 · Jun 5, 2025 · US
Solid electrolyte, electrochemical battery including the solid electrolyte, and method of preparing the solid electrolyte
US-12278333-B2 · Apr 15, 2025 · US
Precursor delivery systems, precursor supply packages, and related methods
US-12258662-B2 · Mar 25, 2025 · US
Method for the separation of phosphorus pentafluoride from hydrogen chloride
US-2025065259-A1 · Feb 27, 2025 · US
Integrated process for co-producing phosphorus pentafluoride (pf5) and fluorosulfonic acid (hso3f)
US-2025019239-A1 · Jan 16, 2025 · US
Difluorophosphate preparation method
US-2025002346-A1 · Jan 2, 2025 · US
Semiconductor nanoparticle aggregate, semiconductor nanoparticle aggregate dispersion liquid, semiconductor nanoparticle aggregate composition, and semiconductor nanoparticle aggregate cured film
US-12166159-B2 · Dec 10, 2024 · US
Semiconductor nanoparticle aggregate, semiconductor nanoparticle aggregate dispersion liquid, semiconductor nanoparticle aggregate composition, and semiconductor nanoparticle aggregate cured film
US-2024222574-A1 · Jul 4, 2024 · US
Solid electrolyte and method for producing same
US-2024154155-A1 · May 9, 2024 · US
Highly polarizable 3D organic perovskites and electro-optic materials comprising same
US-11970501-B2 · Apr 30, 2024 · US
Solid electrolyte and method for producing same
US-2024128495-A1 · Apr 18, 2024 · US
Solid electrolyte having core-shell structure and method of manufacturing the same
US-2024079641-A1 · Mar 7, 2024 · US
Halophosphate phosphor, manufacturing method thereof, and light-emitting device
US-2023383183-A1 · Nov 30, 2023 · US
Magnesium salts
US-11817558-B2 · Nov 14, 2023 · US
Method of producing solid electrolyte member
US-2023327187-A1 · Oct 12, 2023 · US
Solid electrolyte, electrochemical battery including the solid electrolyte, and method of preparing the solid electrolyte
US-2023275265-A1 · Aug 31, 2023 · US
Solid electrolyte, electrochemical battery including the solid electrolyte, and method of preparing the solid electrolyte
US-11682791-B2 · Jun 20, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B25/10?
- CPC C01B25/10 is the Cooperative Patent Classification code for “Halides or oxyhalides of phosphorus.”
- How many patents are filed under CPC C01B25/10 (Halides or oxyhalides of phosphorus)?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC C01B25/10 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).