- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 19/04 - Foam dispersion or prevention by addition of chemical substances
Patent holdings for IPC class B01D 19/04
Total number of patents in this class: 472
10-year publication summary
|
39
|
27
|
34
|
45
|
42
|
30
|
26
|
27
|
23
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wacker Chemie AG | 2110 |
38 |
| Jiangsu Sixin Scientific-Technological Application Research Institute Co., Ltd. | 45 |
36 |
| Dow Global Technologies LLC | 10968 |
24 |
| Kemira Oyj | 1259 |
20 |
| San Nopco Ltd. | 32 |
16 |
| Shin-Etsu Chemical Co., Ltd. | 6113 |
15 |
| BASF SE | 21318 |
10 |
| Ecolab USA Inc. | 5807 |
10 |
| Dow Silicones Corporation | 2121 |
10 |
| The Procter & Gamble Company | 21856 |
9 |
| Dow Corning Corporation | 876 |
9 |
| Evonik Operations GmbH | 4374 |
8 |
| Afton Chemical Corporation | 499 |
7 |
| DIC Corporation | 3965 |
7 |
| Nanjing Sixin Scientific-technological Application Research Institute Co. Ltd. | 9 |
7 |
| Solenis Technologies, L.P. | 305 |
7 |
| JXTG Nippon Oil & Energy Corporation | 323 |
7 |
| Dow Toray Co., Ltd. | 625 |
7 |
| Yangzhou Sixin New Material Technology Co., Ltd | 10 |
7 |
| ENEOS Corporation | 699 |
6 |
| Other owners | 212 |