- 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: 70
10-year publication summary
|
9
|
8
|
10
|
4
|
3
|
4
|
2
|
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 | 3999 |
3 |
| Kao Corporation | 5006 |
3 |
| Dow Global Technologies LLC | 10571 |
3 |
| Council of Scientific and Industrial Research | 594 |
3 |
| Perstorp AB | 154 |
3 |
| Evonik Oxeno GmbH & Co. KG | 340 |
3 |
| Merck Patent GmbH | 5752 |
2 |
| Archer Daniels Midland Company | 1129 |
2 |
| Fudan University | 708 |
2 |
| Microwave Chemical Co., Ltd. | 75 |
2 |
| P2 Science, Inc. | 112 |
2 |
| Stepan Company | 574 |
2 |
| Yeda Research and Development Co. Ltd. | 1357 |
2 |
| BASF SE | 21098 |
1 |
| Evonik Degussa GmbH | 1460 |
1 |
| ExxonMobil Chemical Patents Inc. | 3942 |
1 |
| Eastman Chemical Company | 2113 |
1 |
| ENI S.p.A. | 1280 |
1 |
| Givaudan SA | 1911 |
1 |
| Hybio Pharmaceutical Co., Ltd. | 121 |
1 |
| Other owners | 31 |