- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 49/67 - Unsaturated compounds containing a keto group being part of a ring containing six-membered aromatic rings a keto group being part of a condensed ring system having two rings, e.g. tetralones
Patent holdings for IPC class C07C 49/67
Total number of patents in this class: 26
10-year publication summary
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4
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0
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1
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3
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2
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1
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3
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2
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0
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6950 |
3 |
| Kyoto University | 2801 |
2 |
| Owen-barry Pharmaceuticals Inc. | 9 |
2 |
| Bristol-myers Squibb Company | 4880 |
1 |
| Merck Patent GmbH | 5815 |
1 |
| FUJIFILM Corporation | 29437 |
1 |
| Abraxis BioScience, Inc. | 12 |
1 |
| Beijing Institute of Technology | 373 |
1 |
| Council of Scientific & Industrial Research | 1427 |
1 |
| Daicel Corporation | 2353 |
1 |
| Fudan University | 688 |
1 |
| Kyushu University, National University Corporation | 1654 |
1 |
| Lek Pharmaceuticals d.d. | 202 |
1 |
| National Research Council of Canada | 1547 |
1 |
| Shanghai Research Institute of Chemical Industry | 4 |
1 |
| Soochow University | 1738 |
1 |
| Nantong Textile & Silk Industrial Technology Research Institute | 80 |
1 |
| Shanghai Research Institute of Chemical Industry Co., Ltd. | 19 |
1 |
| Dottikon ES Holding AG | 9 |
1 |
| Guangdong University of Petrochemical Technology | 50 |
1 |
| Other owners | 2 |