- All sections
- C - Chemistry; metallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 5/12 - Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
Patent holdings for IPC class C02F 5/12
Total number of patents in this class: 275
10-year publication summary
|
17
|
19
|
14
|
23
|
31
|
24
|
19
|
21
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5338 |
48 |
| Kurita Water Industries Ltd. | 1150 |
19 |
| Dow Global Technologies LLC | 10149 |
10 |
| Rohm and Haas Company | 2850 |
8 |
| Cytec Industries Inc. | 420 |
8 |
| Nouryon Chemicals International B.V. | 598 |
8 |
| Nalco Company | 597 |
7 |
| Dorf Ketal Chemicals FZE | 240 |
7 |
| Cytec Technology Corp. | 318 |
6 |
| NCH Corporation | 258 |
6 |
| BASF SE | 20403 |
5 |
| AMSA, Inc. | 98 |
5 |
| BL Technologies, Inc. | 847 |
5 |
| Halliburton Energy Services, Inc. | 20419 |
4 |
| Fluid Energy Group Ltd. | 68 |
4 |
| General Electric Company | 17783 |
3 |
| Arkema France | 3889 |
3 |
| ChemTreat, Inc. | 207 |
3 |
| Dominion Engineering, Inc. | 32 |
3 |
| Hexion Inc. | 204 |
3 |
| Other owners | 110 |