- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 213/61 - Halogen atoms or nitro radicals
Patent holdings for IPC class C07D 213/61
Total number of patents in this class: 916
10-year publication summary
|
60
|
72
|
57
|
47
|
51
|
36
|
38
|
52
|
51
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bayer Cropscience AG | 2040 |
34 |
| Bristol-myers Squibb Company | 4880 |
21 |
| Chiesi Farmaceutici S.p.A. | 965 |
21 |
| BASF SE | 20940 |
20 |
| Sumitomo Chemical Company, Limited | 9043 |
20 |
| Bayer Pharma AG | 1053 |
13 |
| Gilead Sciences, Inc. | 2032 |
13 |
| F. Hoffmann-La Roche AG | 7947 |
12 |
| Syngenta Participations AG | 1904 |
12 |
| Novaled GmbH | 445 |
12 |
| Janssen Pharmaceutica N.V. | 3394 |
11 |
| Amgen Inc. | 4076 |
11 |
| Ishihara Sangyo Kaisha, Ltd. | 656 |
11 |
| United Kingdom Research and Innovation | 367 |
11 |
| Nihon Nohyaku Co., Ltd. | 327 |
10 |
| PIMCO 2664 Limited | 20 |
10 |
| Syngenta Crop Protection AG | 6074 |
9 |
| Board of Regents, The University of Texas System | 5808 |
9 |
| Hoffmann-La Roche Inc. | 3439 |
8 |
| Bayer AG | 3325 |
8 |
| Other owners | 640 |