- 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: 408
10-year publication summary
|
27
|
12
|
38
|
31
|
18
|
31
|
30
|
17
|
20
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17564 |
20 |
| Archer Daniels Midland Company | 1111 |
11 |
| BASF SE | 20803 |
10 |
| Excellims Corporation | 52 |
9 |
| GE Healthcare Limited | 676 |
9 |
| Uop LLC | 4216 |
7 |
| Canopy Growth Corporation | 219 |
5 |
| Eastman Chemical Company | 2207 |
5 |
| Honeywell International Inc. | 13562 |
4 |
| Idemitsu Kosan Co., Ltd. | 4166 |
4 |
| Toray Industries, Inc. | 6906 |
4 |
| Entegris, Inc. | 1858 |
4 |
| GE Healthcare AS | 228 |
4 |
| Organo Corporation | 457 |
4 |
| Virent, Inc. | 125 |
4 |
| High Sierra Technologies, Inc. | 6 |
4 |
| F. Hoffmann-La Roche AG | 7923 |
3 |
| Merck Patent GmbH | 5850 |
3 |
| Bridgestone Corporation | 7244 |
3 |
| NGK Insulators, Ltd. | 4929 |
3 |
| Other owners | 288 |