- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 209/06 - Preparation of indole from coal-tar
Patent holdings for IPC class C07D 209/06
Total number of patents in this class: 13
10-year publication summary
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0
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0
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4
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2
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4
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1
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese International Corporation | 918 |
11 |
| Centre National de La Recherche Scientifique | 10202 |
1 |
| Bayer Cropscience AG | 2084 |
1 |
| Other owners | 0 |