- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 207/38 - 2-Pyrrolones
Patent holdings for IPC class C07D 207/38
Total number of patents in this class: 178
10-year publication summary
|
10
|
5
|
10
|
10
|
11
|
3
|
12
|
15
|
7
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10850 |
10 |
| The Provost, Fellows, Foundation Scholars, and The Other Members of Board, of The College of The Holy and Undivided Trinity of Queen Elizabeth, Near Dublin | 163 |
8 |
| The University of British Columbia | 1501 |
8 |
| The University of Queensland | 660 |
8 |
| Bayer Cropscience AG | 2036 |
7 |
| British Columbia Cancer Agency Branch | 192 |
7 |
| Conopco, Inc. | 5032 |
6 |
| Bristol-myers Squibb Company | 4893 |
5 |
| Unilever PLC | 3194 |
5 |
| Ottawa Hospital Research Institute | 109 |
5 |
| University of Ottawa | 216 |
5 |
| Unilever N.V. | 3101 |
4 |
| Syngenta Participations AG | 1902 |
4 |
| Vectus Biosystems Limited | 35 |
3 |
| Beijing Joekai Biotech. LLC | 4 |
3 |
| Bilix Co., Ltd. | 20 |
3 |
| Huscion Co., Ltd. | 10 |
3 |
| Boehringer Ingelheim International GmbH | 4648 |
2 |
| Syngenta Limited | 456 |
2 |
| Bayer Intellectual Property GmbH | 2496 |
2 |
| Other owners | 78 |