- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 49/657 - Unsaturated compounds containing a keto group being part of a ring containing six-membered aromatic rings
Patent holdings for IPC class C07C 49/657
Total number of patents in this class: 26
10-year publication summary
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0
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1
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3
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1
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3
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0
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1
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0
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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
|
|---|---|---|
| Tohoku University | 2849 |
3 |
| Ecolab USA Inc. | 5601 |
2 |
| Nalco Company | 566 |
2 |
| The Regents of the University of California | 20303 |
1 |
| Syngenta Limited | 448 |
1 |
| Canon Inc. | 41151 |
1 |
| Abraxis BioScience, Inc. | 10 |
1 |
| BP Corporation North America Inc. | 748 |
1 |
| Daiichi Sankyo Company, Limited | 1879 |
1 |
| Kuality Herbceutics LLC | 6 |
1 |
| Kureha Corporation | 1039 |
1 |
| Kyoeisha Chemical Co., Ltd. | 83 |
1 |
| National University Corporation Tokyo Medical and Dental University | 520 |
1 |
| Nissan Chemical Industries, Ltd. | 1697 |
1 |
| Okinawa Institute of Science and Technology School Corporation | 161 |
1 |
| Royal Holloway and Bedford New College | 48 |
1 |
| Sophia School Corporation | 73 |
1 |
| Southern Research Institute | 210 |
1 |
| Studiengesellschaft Kohle mbH | 103 |
1 |
| University of Rochester | 1328 |
1 |
| Other owners | 2 |