- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/157 - After-treatment of gels
Patent holdings for IPC class C01B 33/157
Total number of patents in this class: 77
10-year publication summary
|
7
|
7
|
5
|
3
|
3
|
8
|
3
|
8
|
8
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17997 |
7 |
| Mitsui Kinzoku Company, Limited | 527 |
6 |
| Sumitomo Chemical Company, Limited | 8995 |
3 |
| Mitsui Mining & Smelting Co., Ltd. | 1061 |
3 |
| American Nano, LLC | 37 |
3 |
| Nitto Denko Corporation | 8642 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34685 |
2 |
| Cardinal CG Company | 212 |
2 |
| DelSiTech Oy | 20 |
2 |
| DIC Corporation | 4008 |
2 |
| Heraeus Quarzglas GmbH & Co. KG | 416 |
2 |
| JGC Catalysts and Chemicals Ltd. | 262 |
2 |
| Korea Institute of Energy Research | 903 |
2 |
| Nalco Company | 528 |
2 |
| Thermulon Ltd | 3 |
2 |
| Centre National de La Recherche Scientifique | 11143 |
1 |
| Bayer Intellectual Property GmbH | 2346 |
1 |
| Hitachi Chemical Company, Ltd. | 2217 |
1 |
| Massachusetts Institute of Technology | 10324 |
1 |
| Arizona Board of Regents for and on behalf of Arizona State University | 394 |
1 |
| Other owners | 30 |