- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 45/82 - Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Patent holdings for IPC class C07C 45/82
Total number of patents in this class: 207
10-year publication summary
|
16
|
26
|
24
|
19
|
19
|
15
|
16
|
15
|
5
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Chemical Patents Inc. | 4286 |
18 |
| LG Chem, Ltd. | 17205 |
13 |
| Rohm and Haas Company | 2805 |
13 |
| DSM IP Assets B.V. | 5856 |
12 |
| Evonik Operations GmbH | 3879 |
10 |
| BASF SE | 19740 |
9 |
| Johnson Matthey Davy Technologies Limited | 216 |
7 |
| Cap III B.V. | 53 |
6 |
| SABIC Global Technologies B.V. | 4044 |
5 |
| Evonik Oxeno GmbH & Co. KG | 278 |
5 |
| Uop LLC | 4083 |
4 |
| Dow Technology Investments LLC | 270 |
4 |
| Braskem S.A. | 441 |
4 |
| Rohm GmbH | 299 |
4 |
| Sasol Technology (Proprietary) Limited | 250 |
4 |
| Evonik Degussa GmbH | 1574 |
3 |
| Mitsubishi Chemical Corporation | 4313 |
3 |
| Central Glass Company, Limited | 1244 |
3 |
| Kellogg Brown & Root LLC | 489 |
3 |
| Lyondell Chemical Technology, L.P. | 292 |
3 |
| Other owners | 74 |