Compositions and methods for controlling sludge bed properties and improving lime softening process efficiency
US-2026049011-A1 · Feb 19, 2026 · US
combined with inorganic substances
combined with inorganic substances · 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 | C02F5/125 |
| Official title | {combined with inorganic substances} |
| Display label | combined with inorganic substances |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 7 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cleaning agent, cleaning method of water treatment apparatus, and cleaning method of silica-based scale
US-12371638-B2 · Jul 29, 2025 · US
Descaling formulation and method for dissolving and cleaning scale deposition on a surface of system
US-2025091924-A1 · Mar 20, 2025 · US
A novel polymer, an antiscaling formulation, preparation and use thereof for inhibiting scale formation
US-2025011509-A1 · Jan 9, 2025 · US
Galvanized metal corrosion inhibitor compositions and methods of use
US-2024392139-A1 · Nov 28, 2024 · US
Galvanized metal corrosion inhibitor compositions and methods of use
US-12084594-B2 · Sep 10, 2024 · US
Composition useful in sulfate scale removal
US-11945997-B2 · Apr 2, 2024 · US
Modified acid compositions as alternatives to conventional acids in the oil and gas industry
US-11920081-B2 · Mar 5, 2024 · US
Modified acid compositions as alternatives to conventional acids in the oil and gas industry
US-11912929-B2 · Feb 27, 2024 · US
Modified acid compositions as alternatives to conventional acids in the oil and gas industry
US-11879092-B2 · Jan 23, 2024 · US
Water soluble pyranine polymers and method of making
US-11859026-B2 · Jan 2, 2024 · US
Method of Inhibiting Corrosion of a Metal in an Industrial Water System
US-2023416128-A1 · Dec 28, 2023 · US
Cleaning agent, cleaning method of water treatment apparatus, and cleaning method of silica-based scale
US-2023279313-A1 · Sep 7, 2023 · US
Solid, non-phosphorous, scale and corrosion inhibitor composition for cooling water treatment
US-2023087114-A1 · Mar 23, 2023 · US
Corrosion inhibitor for a central heating system
US-2023072473-A1 · Mar 9, 2023 · US
Process and method for reducing metal corrosion in water
US-11572628-B2 · Feb 7, 2023 · US
Iron sulfide scale control agent for geothermal wells
US-11447410-B2 · Sep 20, 2022 · US
Corrosion Inhibiting Product for Closed Loop Water Systems
US-2022220380-A1 · Jul 14, 2022 · US
Use of cationic sugar-based compounds as corrosion inhibitors in a water system
US-2022002175-A1 · Jan 6, 2022 · US
Use of cationic sugar-based compounds as corrosion inhibitors in a water system
US-11155480-B2 · Oct 26, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F5/125?
- CPC C02F5/125 is the Cooperative Patent Classification code for “combined with inorganic substances.”
- How many patents are filed under CPC C02F5/125 (combined with inorganic substances)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC C02F5/125 growing?
- Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).