PFAS treatment process for liquid effluent
US-12583764-B2 · Mar 24, 2026 · US
by removing fluoride or fluorine compounds
by removing fluoride or fluorine compounds · 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 | C02F1/583 |
| Official title | {by removing fluoride or fluorine compounds} |
| Display label | by removing fluoride or fluorine compounds |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 12 |
| 2023 | 10 |
| 2024 | 11 |
| 2025 | 11 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for removing fluoride ions from wastewater
US-2026042688-A1 · Feb 12, 2026 · US
Method and system for pyrolysis
US-12492345-B2 · Dec 9, 2025 · US
Perfluoroalkyl and polyfluoroalkyl sorbent materials and methods of use
US-12478948-B2 · Nov 25, 2025 · US
Systems and methods of removing per- and polyfluoroalkyl substances (pfas) with calcium oxide
US-2025282660-A1 · Sep 11, 2025 · US
Amorphous carbon-metal iron composite and production method therefor
US-2025256981-A1 · Aug 14, 2025 · US
Contaminant-sequestering coatings and methods of using the same
US-12378138-B2 · Aug 5, 2025 · US
Fluorine-containing wastewater treatment system
US-2025242310-A1 · Jul 31, 2025 · US
Method and system for pyrolysis and carbon deposition
US-12371620-B2 · Jul 29, 2025 · US
Composition and method for capture and degradation of PFAS
US-12319594-B2 · Jun 3, 2025 · US
Systems and methods of removing per- and polyfluoroalkyl substances (PFAS) with calcium oxide
US-12246974-B2 · Mar 11, 2025 · US
Systems and methods of removing halogenated compounds from a contaminated source
US-2025026664-A1 · Jan 23, 2025 · US
Fluoride removal process
US-12202744-B2 · Jan 21, 2025 · US
Systems and methods for treatment of contaminated foam streams using reactive metal oxides
US-2024400424-A1 · Dec 5, 2024 · US
Geopolymer Compositions and Systems and Methods Thereof for Sequestering and Removing Chemical Species From Water
US-2024391794-A1 · Nov 28, 2024 · US
Processing system, and processing method
US-2024343619-A1 · Oct 17, 2024 · US
Processing system, and processing method
US-2024345484-A1 · Oct 17, 2024 · US
Capture of fluorinated carbon compounds
US-12076705-B2 · Sep 3, 2024 · US
Perfluoroalkyl and polyfluoroalkyl sorbent materials and methods of use
US-2024246059-A1 · Jul 25, 2024 · US
Method and apparatus for treating wastewater
US-2024173671-A1 · May 30, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/583?
- CPC C02F1/583 is the Cooperative Patent Classification code for “by removing fluoride or fluorine compounds.”
- How many patents are filed under CPC C02F1/583 (by removing fluoride or fluorine compounds)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/583 growing?
- Publication counts under this code: 11 in 2024 vs 11 in 2025 (latest complete years).