- 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: 153
10-year publication summary
|
16
|
14
|
24
|
14
|
6
|
6
|
5
|
9
|
5
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1850 |
7 |
| Dow Global Technologies LLC | 10363 |
4 |
| Abbvie Inc. | 1800 |
4 |
| AbbVie Deutschland GmbH & Co. KG | 261 |
4 |
| The Trustees of Princeton University | 1202 |
4 |
| Sumitomo Chemical Company, Limited | 9046 |
3 |
| Daikin Industries, Ltd. | 9995 |
3 |
| The Board of Trustees of the University of Illinois | 2688 |
3 |
| Lonza Ltd. | 610 |
3 |
| Ludwig-Maximilians-Universitat Munchen | 344 |
3 |
| National University Corporation Hokkaido University | 1342 |
3 |
| Omya International AG | 774 |
3 |
| Osaka University | 3376 |
3 |
| Centre National de La Recherche Scientifique (cnrs) | 3113 |
3 |
| Studiengesellschaft Kohle gGmbH | 61 |
3 |
| BASF SE | 20933 |
2 |
| The Regents of the University of California | 19918 |
2 |
| Merck Patent GmbH | 5831 |
2 |
| Bayer Cropscience AG | 2035 |
2 |
| Massachusetts Institute of Technology | 10057 |
2 |
| Other owners | 90 |