- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/39 - Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
Patent holdings for IPC class C07C 67/39
Total number of patents in this class: 255
10-year publication summary
|
18
|
25
|
11
|
12
|
43
|
14
|
26
|
16
|
28
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm and Haas Company | 2805 |
70 |
| Dow Global Technologies LLC | 10147 |
50 |
| Rohm GmbH | 299 |
23 |
| Roehm GmbH | 94 |
14 |
| Evonik Röhm GmbH | 452 |
10 |
| Eastman Chemical Company | 2239 |
7 |
| Louisiana Eco Green, L.L.C. | 12 |
7 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
6 |
| MannKind Corporation | 531 |
5 |
| Firmenich SA | 1612 |
4 |
| Dow Hydrocarbons and Resources LLC | 4 |
4 |
| ExxonMobil Chemical Patents Inc. | 4286 |
3 |
| Asahi Kasei Chemicals Corporation | 809 |
3 |
| Topsoe A/S | 732 |
3 |
| BASF SE | 19740 |
2 |
| Uop LLC | 4083 |
2 |
| Saudi Basic Industries Corporation | 625 |
2 |
| Battelle Memorial Institute | 2356 |
2 |
| Arkema France | 3790 |
2 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 614 |
2 |
| Other owners | 34 |