- 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
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1
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0
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4
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1
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0
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2
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3
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1
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2
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2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Chemical Corporation | 2307 |
3 |
| LG Chem, Ltd. | 17986 |
2 |
| Nouryon Chemicals International B.V. | 650 |
2 |
| Evonik Operations GmbH | 4443 |
2 |
| Kao Corporation | 5112 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
1 |
| Battelle Energy Alliance, LLC | 587 |
1 |
| ABB S.p.A. | 440 |
1 |
| LG Hausys, Ltd. | 805 |
1 |
| Nissan Chemical Industries, Ltd. | 1627 |
1 |
| P & W Invest Vermoegensverwaltungsgesellschaft mbH | 1 |
1 |
| The University of North Carolina at Chapel Hill | 2127 |
1 |
| American Nano, LLC | 37 |
1 |
| Plan B CO2 | 1 |
1 |
| Qingdao Meigao Group Co., Ltd | 4 |
1 |
| Rijnsburger Holding B.V. | 2 |
1 |
| SETOLAS Holdings, Inc. | 109 |
1 |
| Madhu Silica Pvt. Ltd. | 2 |
1 |
| SoluSil LLC | 5 |
1 |
| DuPont Electronic Materials Holding, Inc. | 200 |
1 |
| Other owners | 0 |