- 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: 660
10-year publication summary
|
44
|
48
|
42
|
51
|
28
|
38
|
46
|
37
|
62
|
34
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Shokubai Co., Ltd. | 1498 |
40 |
| LG Chem, Ltd. | 17680 |
27 |
| Purac Biochem B.V. | 485 |
24 |
| BASF SE | 21036 |
16 |
| Mitsubishi Gas Chemical Company, Inc. | 3485 |
15 |
| Mitsubishi Chemical Corporation | 4585 |
11 |
| Eastman Chemical Company | 2213 |
10 |
| Roquette Freres | 1034 |
8 |
| BP Corporation North America Inc. | 749 |
7 |
| Kyowa Hakko Bio Co., Ltd. | 293 |
7 |
| Kao Corporation | 4981 |
6 |
| Uop LLC | 4247 |
6 |
| Toray Industries, Inc. | 7006 |
6 |
| IFP Energies Nouvelles | 2961 |
6 |
| INVISTA Technologies S.a.r.l. | 411 |
6 |
| Novamont S.p.A. | 359 |
6 |
| INEOS US Chemicals Company | 32 |
6 |
| Naturamide IP LLC | 13 |
6 |
| Archer Daniels Midland Company | 1133 |
5 |
| Arkema France | 4174 |
5 |
| Other owners | 437 |