- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/17 - Purification
Patent holdings for IPC class C01B 32/17
Total number of patents in this class: 106
10-year publication summary
|
12
|
12
|
10
|
10
|
5
|
11
|
7
|
1
|
12
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17737 |
4 |
| Arkema France | 4163 |
4 |
| National Research Council of Canada | 1568 |
4 |
| Zeon Corporation | 4122 |
4 |
| The Regents of the University of California | 20378 |
3 |
| Hydro-Quebec | 638 |
3 |
| Nano-C, Inc. | 72 |
3 |
| Nanocomp Technologies, Inc. | 91 |
3 |
| SkyNano LLC | 8 |
3 |
| International Business Machines Corporation | 61929 |
2 |
| The Board of Trustees of the Leland Stanford Junior University | 6587 |
2 |
| Lawrence Livermore National Security, LLC | 1954 |
2 |
| Korea Institute of Science and Technology | 2177 |
2 |
| Indian Oil Corporation Limited | 335 |
2 |
| King Abdullah University of Science and Technology | 1825 |
2 |
| Meijo Nano Carbon Co., Ltd. | 35 |
2 |
| Toyocolor Co., Ltd. | 233 |
2 |
| Universidad Del Pais VASCO | 76 |
2 |
| Waseda University | 462 |
2 |
| The Board of Trustees of the Leland Stanford Junior University, Office of the General Counsel | 13 |
2 |
| Other owners | 53 |