- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 35/55 - Cylinders or rings
Patent holdings for IPC class B01J 35/55
Total number of patents in this class: 2
10-year publication summary
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2
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
1 |
| Clariant International Ltd. | 978 |
1 |
| Other owners | 0 |