- All sections
- C - Chemistry; metallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/76 - Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
Patent holdings for IPC class C02F 1/76
Total number of patents in this class: 1204
10-year publication summary
|
88
|
131
|
85
|
105
|
121
|
94
|
86
|
82
|
47
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1110 |
51 |
| King Technology, Inc. | 241 |
42 |
| Ecolab USA Inc. | 5190 |
38 |
| Organo Corporation | 394 |
31 |
| Truox, Inc. | 41 |
19 |
| A.Y. Laboratories Ltd. | 27 |
16 |
| Innovative Water Care, LLC | 324 |
14 |
| Ugsi Solutions, Inc. | 36 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
10 |
| BCR Environmental Corporation | 28 |
10 |
| Bio-lab, Inc. | 162 |
10 |
| ChemTreat, Inc. | 198 |
10 |
| Unilever PLC | 3540 |
9 |
| Unilever N.V. | 3440 |
9 |
| Arch Chemicals, Inc. | 112 |
9 |
| Bromine Compounds Ltd. | 196 |
8 |
| Buckman Laboratories International, Inc. | 244 |
8 |
| Hindustan Unilever Limited | 1281 |
8 |
| Katayama Chemical, Inc. | 37 |
8 |
| Nalco Company | 620 |
8 |
| Other owners | 875 |