- All sections
- C - Chemistrymetallurgy
- C07B - General methods of organic chemistryapparatus therefor
- C07B 37/04 - Substitution
Patent holdings for IPC class C07B 37/04
Total number of patents in this class: 151
10-year publication summary
|
14
|
24
|
14
|
6
|
6
|
5
|
9
|
5
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1761 |
7 |
| The Trustees of Princeton University | 1267 |
5 |
| Dow Global Technologies LLC | 10968 |
4 |
| Abbvie Inc. | 1823 |
4 |
| AbbVie Deutschland GmbH & Co. KG | 256 |
4 |
| The Board of Trustees of the University of Illinois | 2747 |
4 |
| Sumitomo Chemical Company, Limited | 8968 |
3 |
| Daikin Industries, Ltd. | 10511 |
3 |
| Lonza Ltd. | 588 |
3 |
| Ludwig-Maximilians-Universitat Munchen | 345 |
3 |
| National University Corporation Hokkaido University | 1371 |
3 |
| Omya International AG | 779 |
3 |
| Osaka University | 3266 |
3 |
| Studiengesellschaft Kohle gGmbH | 74 |
3 |
| BASF SE | 21318 |
2 |
| The Regents of the University of California | 20790 |
2 |
| Merck Patent GmbH | 5731 |
2 |
| Bayer Cropscience AG | 1838 |
2 |
| Massachusetts Institute of Technology | 10259 |
2 |
| California Institute of Technology | 4039 |
2 |
| Other owners | 87 |