Method for recovering phosphorus from sludge rich in chemical phosphorus precipitates using high-protein biomass waste
US-12304842-B2 · May 20, 2025 · US
Phosphorus
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 | C01B25/003 |
| Official title | {Phosphorus} |
| Display label | Phosphorus |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 5 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sulfide solid electrolyte composition, electrode mixture containing same, and method for producing sulfide solid electrolyte composition
US-2024283008-A1 · Aug 22, 2024 · US
Ultrathin nanoribbons of highly anisotropic layered material and method of production
US-2024059565-A1 · Feb 22, 2024 · US
Method for recovering phosphorus from sludge rich in chemical phosphorus precipitates using high-protein biomass waste
US-2023008207-A1 · Jan 12, 2023 · US
System for combined production of yellow phosphorus and syngas
US-2023002692-A1 · Jan 5, 2023 · US
Alloys of Black Phosphorus by Ball Milling Techniques
US-2021370309-A1 · Dec 2, 2021 · US
Conductive structure and method of controlling work function of metal
US-2021355582-A1 · Nov 18, 2021 · US
Multi-atomic layered materials
US-11046585-B2 · Jun 29, 2021 · US
Bipolar exfoliation and deposition of phosphorene onto negative feeding electrode
US-11034584-B1 · Jun 15, 2021 · US
Composition comprising optically and electronically active phosphorene
US-10906811-B2 · Feb 2, 2021 · US
Composition comprising optically and electronically active phosphorene
US-2020354219-A1 · Nov 12, 2020 · US
Stable and selective humidity detection using randomly stacked black phosphorus flakes
US-2020209188-A1 · Jul 2, 2020 · US
Bipolar exfoliation of black phosphorous into phosphorene
US-10676357-B1 · Jun 9, 2020 · US
Multi-atomic layered materials
US-2019292061-A1 · Sep 26, 2019 · US
Halogen doped phosphorus nanoparticles and manufacturing method thereof
US-10384942-B2 · Aug 20, 2019 · US
Stable aqueous dispersions of optically and electronically active phosphorene
US-10343909-B2 · Jul 9, 2019 · US
Method for producing dispersions of nanosheets
US-10309027-B2 · Jun 4, 2019 · US
Phosphorous trifluoride co-gas for carbon implants
US-10256069-B2 · Apr 9, 2019 · US
Halogen doped phosphorus nanoparticles and manufacturing method thereof
US-2019062161-A1 · Feb 28, 2019 · US
Phosphorous trifluoride co-gas for carbon implants
US-2018144904-A1 · May 24, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B25/003?
- CPC C01B25/003 is the Cooperative Patent Classification code for “Phosphorus.”
- How many patents are filed under CPC C01B25/003 (Phosphorus)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC C01B25/003 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).