- All sections
- C - Chemistrymetallurgy
- 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: 288
10-year publication summary
|
19
|
14
|
23
|
31
|
24
|
19
|
25
|
3
|
14
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5831 |
54 |
| Kurita Water Industries Ltd. | 1294 |
20 |
| Dow Global Technologies LLC | 11051 |
9 |
| ChemTreat, Inc. | 287 |
9 |
| Cytec Industries Inc. | 411 |
9 |
| Nouryon Chemicals International B.V. | 647 |
9 |
| Rohm and Haas Company | 2943 |
7 |
| BL Technologies, Inc. | 838 |
7 |
| Nalco Company | 530 |
7 |
| Cytec Technology Corp. | 259 |
6 |
| NCH Corporation | 248 |
6 |
| Championx LLC | 653 |
6 |
| Dorf Ketal Chemicals FZE | 196 |
6 |
| BASF SE | 21320 |
5 |
| AMSA, Inc. | 79 |
5 |
| Halliburton Energy Services, Inc. | 21292 |
4 |
| Hindustan Petroleum Corporation Limited | 230 |
4 |
| General Electric Company | 13982 |
3 |
| Arkema France | 4231 |
3 |
| Dominion Engineering, Inc. | 31 |
3 |
| Other owners | 106 |