- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 307/60 - Two oxygen atoms, e.g. succinic anhydride
Patent holdings for IPC class C07D 307/60
Total number of patents in this class: 257
10-year publication summary
|
11
|
22
|
19
|
22
|
18
|
8
|
12
|
13
|
11
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novomer LLC | 75 |
13 |
| Clariant International Ltd. | 892 |
8 |
| Novomer, Inc. | 141 |
8 |
| Nimmune Biopharma, Inc. | 26 |
8 |
| Selling Entities | 13 |
6 |
| Sumitomo Chemical Company, Limited | 8996 |
5 |
| Huntsman Petrochemical LLC | 309 |
5 |
| Ottawa Hospital Research Institute | 116 |
5 |
| University of Ottawa | 239 |
5 |
| BASF SE | 21303 |
4 |
| China Petroleum & Chemical Corporation | 2147 |
4 |
| Eastman Chemical Company | 2081 |
4 |
| King Abdullah University of Science and Technology | 1848 |
4 |
| Polynt S.p.A. | 36 |
4 |
| Changzhou Ruihua Chemical Engineering Technology Co., Ltd. | 13 |
4 |
| Syngenta Crop Protection AG | 6699 |
3 |
| Centre National de La Recherche Scientifique | 11016 |
3 |
| Bayer Cropscience AG | 1846 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
3 |
| Institute of Process Engineering, Chinese Academy of Sciences | 328 |
3 |
| Other owners | 155 |