- All sections
- C - Chemistrymetallurgy
- 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: 270
10-year publication summary
|
25
|
11
|
12
|
43
|
14
|
26
|
17
|
29
|
13
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm and Haas Company | 2906 |
78 |
| Dow Global Technologies LLC | 10354 |
53 |
| Rohm GmbH | 259 |
23 |
| Roehm GmbH | 77 |
12 |
| Evonik Röhm GmbH | 442 |
10 |
| Louisiana Eco Green, L.L.C. | 13 |
8 |
| Asahi Kasei Kabushiki Kaisha | 2636 |
7 |
| Eastman Chemical Company | 2254 |
7 |
| MannKind Corporation | 524 |
6 |
| Firmenich SA | 1680 |
4 |
| Dow Hydrocarbons and Resources LLC | 4 |
4 |
| Topsoe A/S | 876 |
4 |
| BASF SE | 20777 |
2 |
| The Regents of the University of California | 19812 |
2 |
| Uop LLC | 4209 |
2 |
| ExxonMobil Chemical Patents Inc. | 4028 |
2 |
| Saudi Basic Industries Corporation | 573 |
2 |
| Battelle Memorial Institute | 2471 |
2 |
| Arkema France | 3987 |
2 |
| Asahi Kasei Chemicals Corporation | 686 |
2 |
| Other owners | 38 |