- 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: 252
10-year publication summary
|
30
|
11
|
22
|
19
|
22
|
17
|
8
|
11
|
13
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novomer, Inc. | 212 |
21 |
| Clariant International Ltd. | 938 |
8 |
| Nimmune Biopharma, Inc. | 25 |
7 |
| Selling Entities | 15 |
7 |
| Sumitomo Chemical Company, Limited | 9047 |
5 |
| Ottawa Hospital Research Institute | 109 |
5 |
| University of Ottawa | 215 |
5 |
| BASF SE | 20926 |
4 |
| Bayer Cropscience AG | 2039 |
4 |
| China Petroleum & Chemical Corporation | 1899 |
4 |
| Eastman Chemical Company | 2216 |
4 |
| Huntsman Petrochemical LLC | 293 |
4 |
| King Abdullah University of Science and Technology | 1776 |
4 |
| Polynt S.p.A. | 37 |
4 |
| Changzhou Ruihua Chemical Engineering Technology Co., Ltd. | 10 |
4 |
| Centre National de La Recherche Scientifique | 10421 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10923 |
3 |
| Nippon Shokubai Co., Ltd. | 1510 |
3 |
| Riken | 1689 |
3 |
| Syngenta Participations AG | 1903 |
2 |
| Other owners | 148 |