- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 49/665 - 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
Patent holdings for IPC class C07C 49/665
Total number of patents in this class: 22
10-year publication summary
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1
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2
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1
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1
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1
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1
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2
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1
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1
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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
|
|---|---|---|
| Canon Kabushiki Kaisha | 7066 |
4 |
| BASF SE | 20967 |
3 |
| Massachusetts Institute of Technology | 10080 |
2 |
| National University Corporation Hokkaido University | 1344 |
2 |
| Merck Patent GmbH | 5814 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5676 |
1 |
| Toray Industries, Inc. | 6966 |
1 |
| Northwestern University | 3403 |
1 |
| American Dye Source, Inc. | 5 |
1 |
| Novaled AG | 117 |
1 |
| BASF (China) Co., Ltd. | 845 |
1 |
| National University Corporation Tokai National Higher Education and Research System | 738 |
1 |
| University of Wyoming-Office of Research & Economic Development | 1 |
1 |
| Resonac Corporation | 2837 |
1 |
| BP Apollo Limited | 1 |
1 |
| Other owners | 0 |