- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 33/148 - Concentration; Drying; Dehydration; Stabilisation; Purification
Patent holdings for IPC class C01B 33/148
Total number of patents in this class: 53
10-year publication summary
|
3
|
4
|
4
|
4
|
8
|
1
|
1
|
4
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Chemical Industries, Ltd. | 1822 |
9 |
| Fujimi Incorporated | 676 |
4 |
| Akzo Nobel Chemicals International B.V. | 520 |
3 |
| American Nano, LLC | 30 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1652 |
2 |
| Fuso Chemical Co., Ltd. | 40 |
2 |
| Gerber, Thomas | 2 |
2 |
| Jiangsu Synecoun Medical Technology Co., Ltd. | 11 |
2 |
| Tokuyama Corporation | 1248 |
2 |
| Zeon Corporation | 3854 |
2 |
| Evonik Operations GmbH | 3879 |
2 |
| FUJIFILM Business Innovation Corp. | 7395 |
2 |
| BASF SE | 19740 |
1 |
| Kimberly-clark Worldwide, Inc. | 5854 |
1 |
| Evonik Degussa GmbH | 1574 |
1 |
| NGK Insulators, Ltd. | 4589 |
1 |
| Degussa AG | 68 |
1 |
| East China University of Science and Technology | 473 |
1 |
| Ecolab USA Inc. | 5190 |
1 |
| ICL Performance Products LP | 14 |
1 |
| Other owners | 10 |