- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 15/013 - SeparationPurificationConcentration
Patent holdings for IPC class C01B 15/013
Total number of patents in this class: 74
10-year publication summary
|
1
|
5
|
5
|
8
|
5
|
5
|
8
|
10
|
7
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solvay SA | 937 |
10 |
| Arkema France | 4243 |
7 |
| Mitsubishi Gas Chemical Company, Inc. | 3665 |
7 |
| OCI Company Ltd. | 172 |
7 |
| Evonik Operations GmbH | 4449 |
4 |
| Kurita Water Industries Ltd. | 1302 |
3 |
| Delta Laboratories Holding B.V. | 17 |
3 |
| Korea Institute of Science and Technology | 2276 |
2 |
| DONGWOO FINE-CHEM Co., Ltd. | 1457 |
2 |
| RASIRC, Inc. | 48 |
2 |
| Saban Ventures Pty Limited | 98 |
2 |
| Yuyama Mfg. Co., Ltd. | 364 |
2 |
| Orbit Fab, Inc. | 26 |
2 |
| Evonik Degussa GmbH | 1332 |
1 |
| Evonik Corporation | 78 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4016 |
1 |
| Tsinghua University | 6278 |
1 |
| Lawrence Livermore National Security, LLC | 1988 |
1 |
| Northwestern University | 3611 |
1 |
| Beijing University of Chemical Technology | 336 |
1 |
| Other owners | 14 |