- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 51/43 - Separation; Purification; Stabilisation; Use 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: 620
10-year publication summary
|
43
|
48
|
51
|
42
|
52
|
32
|
40
|
50
|
38
|
25
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Shokubai Co., Ltd. | 1487 |
34 |
| Purac Biochem B.V. | 502 |
28 |
| LG Chem, Ltd. | 17205 |
21 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
15 |
| BASF SE | 19740 |
14 |
| Eastman Chemical Company | 2239 |
14 |
| Mitsubishi Chemical Corporation | 4313 |
13 |
| Roquette Freres | 1002 |
8 |
| BP Corporation North America Inc. | 776 |
7 |
| Kyowa Hakko Bio Co., Ltd. | 296 |
7 |
| Uop LLC | 4083 |
6 |
| Toray Industries, Inc. | 6652 |
6 |
| INVISTA Technologies S.a.r.l. | 450 |
6 |
| INEOS US Chemicals Company | 32 |
6 |
| Naturamide IP LLC | 13 |
6 |
| Kao Corporation | 4843 |
5 |
| Archer Daniels Midland Company | 1164 |
5 |
| Celanese International Corporation | 879 |
5 |
| Otsuka Pharmaceutical Factory, Inc. | 301 |
5 |
| Vitaworks IP, LLC | 55 |
5 |
| Other owners | 404 |