- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 45/82 - SeparationPurificationStabilisationUse 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: 227
10-year publication summary
|
24
|
15
|
19
|
15
|
16
|
15
|
5
|
14
|
12
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17706 |
17 |
| ExxonMobil Chemical Patents Inc. | 3916 |
17 |
| Rohm and Haas Company | 2939 |
15 |
| DSM IP Assets B.V. | 5484 |
12 |
| BASF SE | 21111 |
11 |
| Evonik Operations GmbH | 4174 |
9 |
| Johnson Matthey Davy Technologies Limited | 450 |
8 |
| Dow Technology Investments LLC | 275 |
7 |
| Evonik Oxeno GmbH & Co. KG | 346 |
6 |
| Arkema France | 4173 |
5 |
| Braskem S.A. | 473 |
5 |
| Cap III B.V. | 52 |
5 |
| Rohm GmbH | 265 |
5 |
| SABIC Global Technologies B.V. | 4438 |
5 |
| Uop LLC | 4260 |
4 |
| Lyondell Chemical Technology, L.P. | 256 |
4 |
| Evonik Degussa GmbH | 1446 |
3 |
| Central Glass Company, Limited | 1279 |
3 |
| Kellogg Brown & Root LLC | 517 |
3 |
| Roehm GmbH | 77 |
3 |
| Other owners | 80 |