- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 45/81 - SeparationPurificationStabilisationUse of additives by change in the physical state, e.g. crystallisation
Patent holdings for IPC class C07C 45/81
Total number of patents in this class: 106
10-year publication summary
|
8
|
3
|
8
|
10
|
5
|
11
|
13
|
2
|
17
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Symrise AG | 1719 |
8 |
| United Therapeutics Corporation | 305 |
6 |
| Arkema France | 3987 |
4 |
| Rhodia Operations | 1582 |
4 |
| Sino-high (China) Co. Ltd. | 4 |
4 |
| Topsoe A/S | 876 |
4 |
| LG Chem, Ltd. | 17561 |
3 |
| Braskem S.A. | 463 |
3 |
| Dalian University of Technology | 1508 |
3 |
| LanzaTech, Inc. | 341 |
3 |
| Specialty Operations France | 773 |
3 |
| Kaneka Corporation | 4486 |
2 |
| Archer Daniels Midland Company | 1111 |
2 |
| Hitachi Plant Technologies, Ltd. | 66 |
2 |
| M. Technique Co., Ltd. | 247 |
2 |
| Solvay Specialty Polymers USA, LLC | 574 |
2 |
| Guangzhou Qinglan Biotechnology Co., Ltd. | 4 |
2 |
| UCG Holdings, LLC | 2 |
2 |
| BASF SE | 20777 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5598 |
1 |
| Other owners | 45 |