- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 15/52 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part substituted by unsaturated hydrocarbon radicals polycyclic non-condensed containing a group with formula
Patent holdings for IPC class C07C 15/52
Total number of patents in this class: 58
10-year publication summary
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2
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2
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6
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3
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1
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1
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3
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0
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1
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3
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 9046 |
5 |
| Cambridge Display Technology Limited | 496 |
4 |
| Kyushu University, National University Corporation | 1654 |
2 |
| National University Corporation Hokkaido University | 1340 |
2 |
| National University Corporation Okayama University | 469 |
2 |
| Xiamen University | 535 |
2 |
| Atossa Therapeutics, Inc. | 56 |
2 |
| LG Chem, Ltd. | 17615 |
1 |
| Merck Patent GmbH | 5828 |
1 |
| Hitachi, Ltd. | 15467 |
1 |
| Rohm Co., Ltd. | 6433 |
1 |
| Pioneer Corporation | 4370 |
1 |
| Idemitsu Kosan Co., Ltd. | 4214 |
1 |
| Mitsubishi Chemical Corporation | 4496 |
1 |
| The Trustees of the University of Pennsylvania | 4317 |
1 |
| Lawrence Livermore National Security, LLC | 1934 |
1 |
| Ben-Gurion University of the Negev Research and Development Authority | 203 |
1 |
| Chinoin Gyogyszer ES Vegyeszeti Termekek Gyara Zrt | 36 |
1 |
| Council of Scientific and Industrial Research | 606 |
1 |
| Dublin City University | 165 |
1 |
| Other owners | 26 |