- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 37/54 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms by splitting polyaromatic compounds, e.g. polyphenolalkanes by hydrolysis of lignin or sulfite waste liquor
Patent holdings for IPC class C07C 37/54
Total number of patents in this class: 55
10-year publication summary
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5
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3
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2
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2
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5
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1
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2
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3
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1
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Versalis S.P.A. | 547 |
8 |
| BASF SE | 21101 |
4 |
| Bergen Teknologioverforing AS | 75 |
3 |
| Biochemtex S.p.A. | 31 |
3 |
| Board of Trustees of Michigan State University | 1198 |
3 |
| Wisconsin Alumni Research Foundation | 3897 |
2 |
| Council of Scientific and Industrial Research | 597 |
2 |
| Stellenbosch University | 248 |
2 |
| Centre National de La Recherche Scientifique | 10708 |
1 |
| Industrial Technology Research Institute | 5072 |
1 |
| Shell Oil Company | 2121 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10966 |
1 |
| University of Florida Research Foundation, Inc. | 4086 |
1 |
| Aalto University Foundation | 302 |
1 |
| ENI S.p.A. | 1282 |
1 |
| Green Extraction Technologies, Inc. | 4 |
1 |
| Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences | 239 |
1 |
| Kat2biz AB | 10 |
1 |
| REN Fuel K2b AB | 23 |
1 |
| SABIC Global Technologies B.V. | 4412 |
1 |
| Other owners | 16 |