- 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: 409
10-year publication summary
|
12
|
38
|
31
|
18
|
31
|
30
|
17
|
20
|
17
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17929 |
23 |
| Archer Daniels Midland Company | 1077 |
11 |
| Excellims Corporation | 48 |
9 |
| GE Healthcare Limited | 632 |
9 |
| BASF SE | 21308 |
7 |
| Uop LLC | 4393 |
7 |
| Eastman Chemical Company | 2092 |
5 |
| Entegris, Inc. | 2007 |
5 |
| F. Hoffmann-La Roche AG | 7819 |
4 |
| Honeywell International Inc. | 12772 |
4 |
| Idemitsu Kosan Co., Ltd. | 4241 |
4 |
| Toray Industries, Inc. | 7111 |
4 |
| Organo Corporation | 537 |
4 |
| Virent, Inc. | 145 |
4 |
| High Sierra Technologies, Inc. | 6 |
4 |
| The Regents of the University of California | 20778 |
3 |
| Merck Patent GmbH | 5729 |
3 |
| Bridgestone Corporation | 7262 |
3 |
| NGK Insulators, Ltd. | 5239 |
3 |
| Mitsui Chemicals, Inc. | 3242 |
3 |
| Other owners | 290 |