- 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: 1262
10-year publication summary
|
113
|
133
|
107
|
108
|
70
|
53
|
72
|
82
|
69
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1264 |
78 |
| Ecolab USA Inc. | 5813 |
52 |
| Kurita Water Industries Ltd. | 1290 |
46 |
| S.p.c.m. SA | 237 |
33 |
| SNF Group | 415 |
29 |
| Veolia Water Solutions & Technologies Support | 533 |
27 |
| BASF SE | 21306 |
23 |
| General Electric Company | 13915 |
21 |
| BL Technologies, Inc. | 839 |
20 |
| Dexerials Corporation | 2001 |
20 |
| Dow Global Technologies LLC | 10994 |
18 |
| Unilever PLC | 2985 |
15 |
| Unilever N.V. | 2899 |
15 |
| Nalco Company | 535 |
14 |
| Orege | 39 |
14 |
| Crystal Lagoons Technologies, Inc. | 133 |
13 |
| Evoqua Water Technologies LLC | 934 |
12 |
| Extrakt Process Solutions LLC | 40 |
12 |
| Terralithium LLC | 57 |
12 |
| Conopco, Inc. | 5092 |
10 |
| Other owners | 778 |