- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/143 - Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates
Patent holdings for IPC class C01B 33/143
Total number of patents in this class: 95
10-year publication summary
|
2
|
5
|
2
|
8
|
5
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6
|
5
|
7
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17840 |
10 |
| JGC Catalysts and Chemicals Ltd. | 259 |
7 |
| Nouryon Chemicals International B.V. | 649 |
7 |
| Nissan Chemical Industries, Ltd. | 1666 |
6 |
| Merck Patent GmbH | 5663 |
4 |
| Evonik Degussa GmbH | 1410 |
4 |
| Ecolab USA Inc. | 5732 |
4 |
| Jisbrey, S.A | 4 |
3 |
| Saudi Arabian Oil Company | 13953 |
3 |
| Nissan Chemical Corporation | 2170 |
3 |
| Evonik Operations GmbH | 4248 |
3 |
| Mega P&C Advanced Materials (Shanghai) Company Limited | 28 |
3 |
| Aquarius Investholding, SARL | 3 |
2 |
| FUJIFILM Electronic Materials U.S.A., Inc. | 341 |
2 |
| Rhodia Operations | 1523 |
2 |
| BASF SE | 21129 |
1 |
| E. I. du Pont de Nemours and Company | 3668 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 33602 |
1 |
| Compagnie générale des établissements Michelin SCA | 2656 |
1 |
| Agency for Science, Technology and Research | 3689 |
1 |
| Other owners | 27 |