- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/148 - ConcentrationDryingDehydrationStabilisationPurification
Patent holdings for IPC class C01B 33/148
Total number of patents in this class: 59
10-year publication summary
|
4
|
4
|
7
|
1
|
1
|
3
|
3
|
3
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Chemical Industries, Ltd. | 1684 |
8 |
| Nissan Chemical Corporation | 2131 |
6 |
| Fujimi Incorporated | 768 |
4 |
| Akzo Nobel Chemicals International B.V. | 428 |
3 |
| American Nano, LLC | 33 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1664 |
2 |
| Fuso Chemical Co., Ltd. | 57 |
2 |
| Jiangsu Synecoun Medical Technology Co., Ltd. | 7 |
2 |
| Tokuyama Corporation | 1446 |
2 |
| Trustees of Tufts College | 934 |
2 |
| Zeon Corporation | 4122 |
2 |
| Evonik Operations GmbH | 4218 |
2 |
| FUJIFILM Business Innovation Corp. | 7774 |
2 |
| Biocomposites GmbH | 6 |
2 |
| BASF SE | 21134 |
1 |
| Kimberly-clark Worldwide, Inc. | 5301 |
1 |
| Evonik Degussa GmbH | 1434 |
1 |
| NGK Insulators, Ltd. | 5205 |
1 |
| Admatechs Company Limited | 87 |
1 |
| Artoss GmbH | 6 |
1 |
| Other owners | 11 |