- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 231/22 - SeparationPurificationStabilisationUse of additives
Patent holdings for IPC class C07C 231/22
Total number of patents in this class: 71
10-year publication summary
|
6
|
3
|
3
|
2
|
2
|
4
|
0
|
7
|
2
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5519 |
4 |
| Mitsubishi Rayon Co., Ltd. | 902 |
3 |
| Mitsubishi Chemical Corporation | 4545 |
3 |
| Theaprin Pharmaceuticals Inc. | 35 |
3 |
| FarmHannong Co., Ltd. | 80 |
3 |
| LG Chem, Ltd. | 17656 |
2 |
| Mitsui Chemicals, Inc. | 3238 |
2 |
| Dia-Nitrix Co., Ltd. | 13 |
2 |
| Ajinomoto Co., Inc. | 2294 |
2 |
| Abbvie Inc. | 1801 |
2 |
| AbbVie Deutschland GmbH & Co. KG | 262 |
2 |
| Takasago International Corporation | 404 |
2 |
| Wakayama University | 21 |
2 |
| Yamamoto Yoshie | 3 |
2 |
| F. Hoffmann-La Roche AG | 7947 |
1 |
| BASF SE | 20991 |
1 |
| Evonik Röhm GmbH | 434 |
1 |
| Medtronic, Inc. | 9825 |
1 |
| Massachusetts Institute of Technology | 10110 |
1 |
| Chevron Oronite Company LLC | 572 |
1 |
| Other owners | 31 |