- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 53/12 - Acetic anhydride
Patent holdings for IPC class C07C 53/12
Total number of patents in this class: 25
10-year publication summary
|
2
|
1
|
0
|
0
|
1
|
0
|
4
|
1
|
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 | 2207 |
7 |
| Oxea GmbH | 75 |
2 |
| Solvay Acetow GmbH | 26 |
2 |
| Titan Wood Limited | 61 |
2 |
| Hyconix, Inc. | 9 |
2 |
| BP Chemicals Limited | 87 |
1 |
| Celanese International Corporation | 911 |
1 |
| Daicel Corporation | 2376 |
1 |
| Equistar Chemicals, LP | 348 |
1 |
| Lyondell Chemical Technology, L.P. | 265 |
1 |
| LyondellBasell Acetyls, LLC | 95 |
1 |
| Novomer, Inc. | 212 |
1 |
| Twist Bioscience Corporation | 260 |
1 |
| The University of North Carolina at Chapel Hill | 2053 |
1 |
| Cerdia International GmbH | 41 |
1 |
| Other owners | 0 |