- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 51/43 - SeparationPurificationStabilisationUse of additives by change of the physical state, e.g. crystallisation
Patent holdings for IPC class C07C 51/43
Total number of patents in this class: 652
10-year publication summary
|
47
|
51
|
42
|
52
|
32
|
40
|
50
|
38
|
63
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Shokubai Co., Ltd. | 1507 |
40 |
| LG Chem, Ltd. | 17639 |
27 |
| Purac Biochem B.V. | 483 |
24 |
| BASF SE | 20915 |
16 |
| Mitsubishi Gas Chemical Company, Inc. | 3466 |
15 |
| Mitsubishi Chemical Corporation | 4519 |
11 |
| Eastman Chemical Company | 2218 |
10 |
| Roquette Freres | 1024 |
8 |
| BP Corporation North America Inc. | 744 |
7 |
| Kyowa Hakko Bio Co., Ltd. | 304 |
7 |
| Kao Corporation | 4964 |
6 |
| Uop LLC | 4238 |
6 |
| Toray Industries, Inc. | 6951 |
6 |
| IFP Energies Nouvelles | 2933 |
6 |
| INVISTA Technologies S.a.r.l. | 415 |
6 |
| INEOS US Chemicals Company | 32 |
6 |
| Naturamide IP LLC | 13 |
6 |
| Archer Daniels Midland Company | 1115 |
5 |
| Arkema France | 4149 |
5 |
| Celanese International Corporation | 909 |
5 |
| Other owners | 430 |