- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/56 - Macromolecular compounds
Patent holdings for IPC class C02F 1/56
Total number of patents in this class: 1249
10-year publication summary
|
93
|
109
|
96
|
89
|
66
|
48
|
60
|
68
|
59
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1231 |
76 |
| Ecolab USA Inc. | 5691 |
54 |
| Kurita Water Industries Ltd. | 1249 |
46 |
| S.p.c.m. SA | 238 |
33 |
| Veolia Water Solutions & Technologies Support | 535 |
27 |
| SNF Group | 382 |
24 |
| BASF SE | 21131 |
23 |
| General Electric Company | 13804 |
22 |
| Dow Global Technologies LLC | 10740 |
22 |
| BL Technologies, Inc. | 840 |
20 |
| Dexerials Corporation | 1980 |
20 |
| Unilever PLC | 3073 |
16 |
| Unilever N.V. | 2982 |
16 |
| Nalco Company | 555 |
14 |
| Orege | 40 |
14 |
| Crystal Lagoons Technologies, Inc. | 116 |
13 |
| Evoqua Water Technologies LLC | 924 |
12 |
| Extrakt Process Solutions LLC | 40 |
12 |
| Terralithium LLC | 56 |
11 |
| Conopco, Inc. | 4982 |
10 |
| Other owners | 764 |