- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/77 - Carbon oxysulfide
Patent holdings for IPC class C01B 32/77
Total number of patents in this class: 6
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4118 |
2 |
| Arkema France | 4180 |
1 |
| Kyushu University, National University Corporation | 1665 |
1 |
| POSCO Co., Ltd. | 1586 |
1 |
| Research Institute of Industrial Science & Technology | 502 |
1 |
| Other owners | 0 |