- 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: 1217
10-year publication summary
|
91
|
93
|
109
|
96
|
89
|
66
|
47
|
53
|
68
|
46
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1221 |
77 |
| Ecolab USA Inc. | 5553 |
47 |
| Kurita Water Industries Ltd. | 1214 |
45 |
| S.p.c.m. SA | 239 |
33 |
| Veolia Water Solutions & Technologies Support | 535 |
28 |
| BASF SE | 21071 |
23 |
| General Electric Company | 13862 |
22 |
| Dow Global Technologies LLC | 10494 |
22 |
| SNF Group | 368 |
22 |
| Dexerials Corporation | 1948 |
20 |
| BL Technologies, Inc. | 836 |
19 |
| Unilever PLC | 3160 |
16 |
| Unilever N.V. | 3069 |
16 |
| Nalco Company | 569 |
14 |
| Orege | 37 |
14 |
| Crystal Lagoons Technologies, Inc. | 110 |
13 |
| Evoqua Water Technologies LLC | 917 |
12 |
| Terralithium LLC | 56 |
11 |
| Conopco, Inc. | 4991 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 32199 |
10 |
| Other owners | 743 |