- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 13/605 - Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with three condensed rings with a bridged ring system
Patent holdings for IPC class C07C 13/605
Total number of patents in this class: 34
10-year publication summary
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2
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1
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1
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2
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2
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4
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2
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2
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2
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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
|
|---|---|---|
| Recurium IP Holdings, LLC | 135 |
7 |
| Merck Patent GmbH | 5820 |
2 |
| Mitsui Chemicals, Inc. | 3229 |
2 |
| Nippon Oil Corporation | 281 |
2 |
| Sumitomo Bakelite Co., Ltd. | 1503 |
2 |
| The Regents of the University of California | 20035 |
1 |
| The Regents of the University of Michigan | 4733 |
1 |
| Idemitsu Kosan Co., Ltd. | 4222 |
1 |
| Mitsubishi Chemical Corporation | 4535 |
1 |
| Bigtec Private Limited | 31 |
1 |
| Eth Zurich | 1282 |
1 |
| Firmenich SA | 1688 |
1 |
| Indian Institute of Technology Mumbai | 1 |
1 |
| Jilin Asymchem Laboratories Co., Ltd | 49 |
1 |
| National University Corporation Tokyo University of Agriculture and Technology | 342 |
1 |
| Promerus, LLC | 143 |
1 |
| The Trustees of Boston College | 196 |
1 |
| Waseda University | 455 |
1 |
| Zeno Royalties & Milestones, LLC | 16 |
1 |
| Roskilde Semiconductor LLC | 4 |
1 |
| Other owners | 4 |