Mineral recovery and chemical production from produced water in a gas oil separation plant
US-2026070826-A1 · Mar 12, 2026 · US
Chlorides
Chlorides · 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 | C01F11/24 |
| Official title | Chlorides |
| Display label | Chlorides |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Separation of bacl2 from cacl2 brine solution
US-2025353755-A1 · Nov 20, 2025 · US
Separation of BACL2 from CACL2 brine solution
US-12404181-B2 · Sep 2, 2025 · US
Heat storage in chemical reactors
US-12269984-B2 · Apr 8, 2025 · US
Preparation of rare earth metals and other chemicals from industrial waste coal ash
US-2024271247-A1 · Aug 15, 2024 · US
Mineralization method of calcium chloride-type from lithium-containing salt lake brine by evaporation and brine mixing
US-2024262704-A1 · Aug 8, 2024 · US
Heat storage in chemical reactors
US-2024254377-A1 · Aug 1, 2024 · US
Heat storage in chemical reactors
US-11920078-B2 · Mar 5, 2024 · US
Preparation of rare earth metals and other chemicals from industrial waste coal ash
US-11866804-B2 · Jan 9, 2024 · US
Divalent brine fluids having improved rheology and multifunctional properties
US-11773309-B2 · Oct 3, 2023 · US
Liquid preparations of amines and organic acids stabilized by salts
US-2023143246-A1 · May 11, 2023 · US
Divalent brine fluids having improved rheology and multifunctional properties
US-2022372360-A1 · Nov 24, 2022 · US
Separation of bacl2 from cacl2 brine solution
US-2022281754-A1 · Sep 8, 2022 · US
Lignosulfonate coated calcium chloride
US-11345838-B2 · May 31, 2022 · US
Preparation of rare earth metals and other chemicals from industrial waste coal ash
US-11186894-B2 · Nov 30, 2021 · US
Methionine-metal chelate and manufacturing method thereof
US-11072621-B2 · Jul 27, 2021 · US
Heat storage in chemical reactors
US-2021147737-A1 · May 20, 2021 · US
Method of preparing metal oxide-silica composite aerogel and metal oxide-silica composite aerogel prepared by using the same
US-10941043-B2 · Mar 9, 2021 · US
Lignosulfonate coated calcium chloride
US-2021032520-A1 · Feb 4, 2021 · US
Analytical method for precipitated particles during co-precipitation reaction
US-10782272-B2 · Sep 22, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01F11/24?
- CPC C01F11/24 is the Cooperative Patent Classification code for “Chlorides.”
- How many patents are filed under CPC C01F11/24 (Chlorides)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC C01F11/24 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).