- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 45/28 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of —CHx-moieties
Patent holdings for IPC class C07C 45/28
Total number of patents in this class: 149
10-year publication summary
|
10
|
10
|
16
|
12
|
5
|
5
|
12
|
10
|
8
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
18 |
| Chevron Phillips Chemical Company LP | 1779 |
5 |
| Rhodia Operations | 1645 |
5 |
| BASF AG | 1258 |
4 |
| Performance Polyamides, SAS | 71 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| Shell Oil Company | 2196 |
3 |
| Uop LLC | 4083 |
3 |
| ExxonMobil Chemical Patents Inc. | 4286 |
3 |
| Eastman Chemical Company | 2239 |
3 |
| The Florida International University Board of Trustees | 548 |
3 |
| North Carolina State University | 1492 |
3 |
| Aktsionernoe Obschestvo Gazpromneft—moskovsky NPZ (ao “gazpromneft-mnpz”) | 8 |
3 |
| Evonik Operations GmbH | 3879 |
3 |
| Kao Corporation | 4843 |
2 |
| Rohm and Haas Company | 2805 |
2 |
| Tsinghua University | 5426 |
2 |
| Japan Science and Technology Agency | 1564 |
2 |
| Adisseo France S.A.S. | 147 |
2 |
| Other owners | 73 |