Ligand-assisted deoxygenation of phosphates to form nitrogen-containing phosphorus(v) precursors and their subsequent conversion to various oxyphosphorus compounds
US-2026055125-A1 · Feb 26, 2026 · US
Phosphorus; Compounds thereof ({C01B6/00} , C01B21/00, C01B23/00 take precedence; perphosphates C01B15/16)
Phosphorus; Compounds thereof ({C01B6/00} , C01B21/00, C01B23/00 take precedence; perphosphates C01B15/16) · 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 | C01B25/00 |
| Official title | Phosphorus; Compounds thereof ({C01B6/00} , C01B21/00, C01B23/00 take precedence; perphosphates C01B15/16) |
| Display label | Phosphorus; Compounds thereof ({C01B6/00} , C01B21/00, C01B23/00 take precedence; perphosphates C01B15/16) |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing amorphous ceramics
US-2026049037-A1 · Feb 19, 2026 · US
Surface treatment method, sequencing method, and kit
US-2025257385-A1 · Aug 14, 2025 · US
Phosphorus-carbon composite material, phosphorus-carbon composite material production method, negative electrode active material, negative electrode for lithium secondary battery, and lithium secondary battery
US-2025158030-A1 · May 15, 2025 · US
Black phosphorus-two dimensional material complex and method of manufacturing the same
US-2025126864-A1 · Apr 17, 2025 · US
Method of producing, separating, and purifying metal sulfides and metal phosphates
US-2025066211-A1 · Feb 27, 2025 · US
Positive active material, positive electrode plate, lithium-ion battery, and electrical device
US-2025070164-A1 · Feb 27, 2025 · US
Black phosphorus-two dimensional material complex and method of manufacturing the same
US-12211904-B2 · Jan 28, 2025 · US
Binary substituted vanadium phosphate electrode material
US-2024258519-A1 · Aug 1, 2024 · US
All-solid state secondary battery and method of manufacturing the same
US-11909034-B2 · Feb 20, 2024 · US
Synthesis of nanostructured lithium zirconium phosphate
US-2023357012-A1 · Nov 9, 2023 · US
2d material membrane with ionic selectivity
US-2022370961-A1 · Nov 24, 2022 · US
Silyl ester phosphinates as electrolyte additives
US-11404723-B2 · Aug 2, 2022 · US
Methods of removing and recovering phosphorus from aqueous solutions
US-11401178-B2 · Aug 2, 2022 · US
Black phosphorus-two dimensional material complex and method of manufacturing the same
US-2022157947-A1 · May 19, 2022 · US
Carbon material for catalyst carrier of polymer electrolyte fuel cell, and method of producing the same
US-11302928-B2 · Apr 12, 2022 · US
Delithiation of carbon free olivine by addition of carbon
US-11186486-B2 · Nov 30, 2021 · US
Solid lithium ion conducting material and process for preparation thereof
US-2021323824-A1 · Oct 21, 2021 · US
Bipolar exfoliation and deposition of phosphorene onto negative feeding electrode
US-11034584-B1 · Jun 15, 2021 · US
Phosphonate based lithium complexes
US-10903522-B2 · Jan 26, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B25/00?
- CPC C01B25/00 is the Cooperative Patent Classification code for “Phosphorus; Compounds thereof ({C01B6/00} , C01B21/00, C01B23/00 take precedence; perphosphates C01B15/16).”
- How many patents are filed under CPC C01B25/00 (Phosphorus; Compounds thereof ({C01B6/00} , C01B21/00, C01B23/00 take precedence; perphosphates C01B15/16))?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC C01B25/00 growing?
- Publication counts under this code: 2 in 2024 vs 6 in 2025 (latest complete years).