- 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: 89
10-year publication summary
|
4
|
12
|
14
|
10
|
10
|
6
|
13
|
7
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 3978 |
4 |
| Hydro-Quebec | 642 |
4 |
| National Research Council of Canada | 1542 |
4 |
| Zeon Corporation | 4063 |
4 |
| LG Chem, Ltd. | 17519 |
3 |
| Nano-C, Inc. | 72 |
3 |
| Nanocomp Technologies, Inc. | 102 |
3 |
| The Regents of the University of California | 19752 |
2 |
| International Business Machines Corporation | 60753 |
2 |
| Lawrence Livermore National Security, LLC | 1915 |
2 |
| Korea Institute of Science and Technology | 2103 |
2 |
| King Abdullah University of Science and Technology | 1763 |
2 |
| Universidad Del Pais VASCO | 82 |
2 |
| The Board of Trustees of the Leland Stanford Junior University, Office of the General Counsel | 13 |
2 |
| Chasm Advanced Materials, Inc. | 20 |
2 |
| Direct Air Capture, LLC | 15 |
2 |
| The Boeing Company | 19953 |
1 |
| NEC Corporation | 35167 |
1 |
| Sumitomo Electric Industries, Ltd. | 15255 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6317 |
1 |
| Other owners | 42 |