- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 41/28 - Preparation of ethers by reactions not forming ether-oxygen bonds from acetals, e.g. by dealcoholysis
Patent holdings for IPC class C07C 41/28
Total number of patents in this class: 51
10-year publication summary
|
6
|
3
|
4
|
8
|
2
|
2
|
1
|
2
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2216 |
8 |
| Mitsubishi Gas Chemical Company, Inc. | 3470 |
5 |
| BASF SE | 20945 |
4 |
| BP p.l.c. | 521 |
4 |
| Florida State University Research Foundation, Inc. | 752 |
4 |
| Showa Denko K.K. | 2218 |
2 |
| University of Georgia Research Foundation, Inc. | 1033 |
2 |
| 3m Innovative Properties Company | 17820 |
1 |
| AstraZeneca AB | 2897 |
1 |
| California Institute of Technology | 3984 |
1 |
| ExxonMobil Chemical Patents Inc. | 3976 |
1 |
| DSM IP Assets B.V. | 5589 |
1 |
| Dow Global Technologies LLC | 10371 |
1 |
| Idemitsu Kosan Co., Ltd. | 4227 |
1 |
| Henkel AG & Co. KGaA | 10588 |
1 |
| Central Glass Company, Limited | 1264 |
1 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 672 |
1 |
| Dow Corning Toray Co., Ltd. | 488 |
1 |
| Everlight Chemical Industrial Corporation | 19 |
1 |
| Fidop (fonds de Developpement des Filieres des Oleagineux et des Proteagineux) | 3 |
1 |
| Other owners | 9 |