- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/44 - Preparation of carboxylic acid esters by oxidation-reduction of aldehydes, e.g. Tishchenko reaction
Patent holdings for IPC class C07C 67/44
Total number of patents in this class: 58
10-year publication summary
|
9
|
5
|
2
|
5
|
8
|
6
|
7
|
2
|
3
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm and Haas Company | 2895 |
8 |
| Eastman Chemical Company | 2212 |
7 |
| Evonik Röhm GmbH | 435 |
5 |
| Dow Global Technologies LLC | 10402 |
5 |
| Rohm GmbH | 262 |
5 |
| Topsoe A/S | 909 |
3 |
| Asahi Kasei Kabushiki Kaisha | 2684 |
2 |
| Global Bioenergies | 88 |
2 |
| Ramot at Tel-Aviv University Ltd. | 1486 |
2 |
| Roehm GmbH | 78 |
2 |
| Evonik Operations GmbH | 4154 |
2 |
| LG Chem, Ltd. | 17644 |
1 |
| The Regents of the University of California | 20059 |
1 |
| DSM IP Assets B.V. | 5581 |
1 |
| Mitsubishi Chemical Corporation | 4538 |
1 |
| Asahi Kasei Chemicals Corporation | 665 |
1 |
| Consejo Superior de Investigaciones Cientificas | 867 |
1 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 672 |
1 |
| ENI S.p.A. | 1272 |
1 |
| Firmenich SA | 1690 |
1 |
| Other owners | 6 |