- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 21/098 - Phosphonitrilic dihalidesPolymers thereof
Patent holdings for IPC class C01B 21/098
Total number of patents in this class: 2
10-year publication summary
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National University Corporation Okayama University | 471 |
1 |
| Otsuka Chemical Co., Ltd. | 292 |
1 |
| Other owners | 0 |