- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/78 - Preparation by contact processes characterised by the catalyst used
Patent holdings for IPC class C01B 17/78
Total number of patents in this class: 14
10-year publication summary
|
5
|
1
|
2
|
0
|
0
|
1
|
2
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cppe Carbon Process & Plant Engineering S.A. | 25 |
4 |
| Topsoe A/S | 985 |
3 |
| BASF SE | 21146 |
1 |
| BASF Schweiz AG | 28 |
1 |
| Chemetics Inc. | 67 |
1 |
| MECS, Inc. | 65 |
1 |
| OCP S.A. | 84 |
1 |
| Haldor Topsøe A/S | 640 |
1 |
| Jingbao Chemical Co., Ltd. | 1 |
1 |
| Other owners | 0 |