- All sections
- C - Chemistrymetallurgy
- C07B - General methods of organic chemistryapparatus therefor
- C07B 63/00 - PurificationSeparation specially adapted for the purpose of recovering organic compoundsStabilisationUse of additives
Patent holdings for IPC class C07B 63/00
Total number of patents in this class: 412
10-year publication summary
|
27
|
11
|
37
|
29
|
17
|
27
|
29
|
17
|
20
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17641 |
21 |
| Archer Daniels Midland Company | 1126 |
11 |
| BASF SE | 20945 |
10 |
| Excellims Corporation | 52 |
9 |
| GE Healthcare Limited | 671 |
9 |
| Uop LLC | 4240 |
7 |
| Canopy Growth Corporation | 221 |
5 |
| Eastman Chemical Company | 2216 |
5 |
| F. Hoffmann-La Roche AG | 7945 |
4 |
| Honeywell International Inc. | 13548 |
4 |
| Idemitsu Kosan Co., Ltd. | 4227 |
4 |
| Toray Industries, Inc. | 6950 |
4 |
| Entegris, Inc. | 1882 |
4 |
| Organo Corporation | 474 |
4 |
| Virent, Inc. | 125 |
4 |
| High Sierra Technologies, Inc. | 6 |
4 |
| Merck Patent GmbH | 5812 |
3 |
| Bridgestone Corporation | 7233 |
3 |
| NGK Insulators, Ltd. | 4973 |
3 |
| Mitsui Chemicals, Inc. | 3224 |
3 |
| Other owners | 291 |