- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/142 - Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates
Patent holdings for IPC class C01B 33/142
Total number of patents in this class: 25
10-year publication summary
|
2
|
1
|
0
|
4
|
1
|
0
|
2
|
3
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Chemical Corporation | 2000 |
3 |
| Evonik Operations GmbH | 4083 |
3 |
| LG Chem, Ltd. | 17594 |
2 |
| Nouryon Chemicals International B.V. | 606 |
2 |
| Kao Corporation | 4959 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10922 |
1 |
| Battelle Energy Alliance, LLC | 582 |
1 |
| ABB S.p.A. | 442 |
1 |
| LG Hausys, Ltd. | 822 |
1 |
| Nissan Chemical Industries, Ltd. | 1721 |
1 |
| P & W Invest Vermoegensverwaltungsgesellschaft mbH | 1 |
1 |
| The University of North Carolina at Chapel Hill | 2030 |
1 |
| American Nano, LLC | 31 |
1 |
| Plan B CO2 | 1 |
1 |
| Qingdao Meigao Group Co., Ltd | 3 |
1 |
| Rijnsburger Holding B.V. | 2 |
1 |
| SETOLAS Holdings, Inc. | 84 |
1 |
| Madhu Silica Pvt. Ltd. | 2 |
1 |
| DuPont Electronic Materials Holding, Inc. | 198 |
1 |
| Other owners | 0 |