- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 17/66 - Dithionites
Patent holdings for IPC class C01B 17/66
Total number of patents in this class: 19
10-year publication summary
|
3
|
1
|
2
|
2
|
0
|
1
|
2
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20403 |
4 |
| Esseco S.r.l. | 32 |
3 |
| Industrial Technology Research Institute | 4958 |
2 |
| Ecolab USA Inc. | 5338 |
2 |
| Kemira Oyj | 1208 |
2 |
| Taminco | 78 |
2 |
| Chemetall GmbH | 381 |
1 |
| Sasol Performance Chemicals GmbH | 33 |
1 |
| Silox Canada Inc. | 4 |
1 |
| Maoming Polytechnic | 1 |
1 |
| Other owners | 0 |