- All sections
- C - Chemistry; metallurgy
- 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: 32
10-year publication summary
|
2
|
1
|
1
|
3
|
3
|
6
|
2
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Recurium IP Holdings, LLC | 148 |
7 |
| Merck Patent GmbH | 5842 |
2 |
| Mitsui Chemicals, Inc. | 3187 |
2 |
| Nippon Oil Corporation | 308 |
2 |
| Sumitomo Bakelite Co., Ltd. | 1469 |
2 |
| The Regents of the University of California | 19517 |
1 |
| The Regents of the University of Michigan | 4578 |
1 |
| Idemitsu Kosan Co., Ltd. | 4103 |
1 |
| Mitsubishi Chemical Corporation | 4447 |
1 |
| Bigtec Private Limited | 31 |
1 |
| Eth Zurich | 1253 |
1 |
| Firmenich SA | 1669 |
1 |
| Indian Institute of Technology Mumbai | 1 |
1 |
| Jilin Asymchem Laboratories Co., Ltd | 45 |
1 |
| National University Corporation Tokyo University of Agriculture and Technology | 338 |
1 |
| Promerus, LLC | 135 |
1 |
| Waseda University | 434 |
1 |
| Zeno Royalties & Milestones, LLC | 16 |
1 |
| Roskilde Semiconductor LLC | 4 |
1 |
| Hainan Normal University | 23 |
1 |
| Other owners | 2 |