- All sections
- C - Chemistrymetallurgy
- C07B - General methods of organic chemistryapparatus therefor
- C07B 41/12 - Formation or introduction of functional groups containing oxygen of carboxylic acid ester groups
Patent holdings for IPC class C07B 41/12
Total number of patents in this class: 69
10-year publication summary
|
9
|
8
|
10
|
4
|
3
|
4
|
1
|
8
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| California Institute of Technology | 3986 |
3 |
| Kao Corporation | 4982 |
3 |
| Dow Global Technologies LLC | 10413 |
3 |
| Council of Scientific and Industrial Research | 598 |
3 |
| Perstorp AB | 151 |
3 |
| Evonik Oxeno GmbH & Co. KG | 333 |
3 |
| Merck Patent GmbH | 5768 |
2 |
| Archer Daniels Midland Company | 1134 |
2 |
| Fudan University | 697 |
2 |
| Microwave Chemical Co., Ltd. | 73 |
2 |
| P2 Science, Inc. | 111 |
2 |
| Stepan Company | 580 |
2 |
| Yeda Research and Development Co. Ltd. | 1342 |
2 |
| BASF SE | 20991 |
1 |
| Evonik Degussa GmbH | 1492 |
1 |
| ExxonMobil Chemical Patents Inc. | 3977 |
1 |
| Eastman Chemical Company | 2207 |
1 |
| ENI S.p.A. | 1273 |
1 |
| Givaudan SA | 1892 |
1 |
| Hybio Pharmaceutical Co., Ltd. | 121 |
1 |
| Other owners | 30 |