- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/146 - After-treatment of sols
Patent holdings for IPC class C01B 33/146
Total number of patents in this class: 104
10-year publication summary
|
4
|
7
|
10
|
9
|
4
|
4
|
9
|
7
|
8
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Chemical Corporation | 2145 |
18 |
| LG Chem, Ltd. | 17805 |
9 |
| Fujimi Incorporated | 793 |
7 |
| JGC Catalysts and Chemicals Ltd. | 257 |
5 |
| Nissan Chemical Industries, Ltd. | 1667 |
4 |
| Tokuyama Corporation | 1450 |
3 |
| American Nano, LLC | 33 |
3 |
| Nouryon Chemicals International B.V. | 648 |
3 |
| FUJIFILM Business Innovation Corp. | 7845 |
3 |
| BASF SE | 21127 |
2 |
| Merck Patent GmbH | 5716 |
2 |
| Akzo Nobel Chemicals International B.V. | 426 |
2 |
| Ecolab USA Inc. | 5707 |
2 |
| Fuso Chemical Co., Ltd. | 59 |
2 |
| Intelligent Concrete, LLC | 8 |
2 |
| Saudi Arabian Oil Company | 13940 |
2 |
| W.R. Grace & Co.-conn. | 357 |
2 |
| Evonik Operations GmbH | 4218 |
2 |
| Centre National de La Recherche Scientifique | 10846 |
1 |
| Evonik Degussa GmbH | 1424 |
1 |
| Other owners | 29 |