- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 231/22 - Separation; Purification; Stabilisation; Use of additives
Patent holdings for IPC class C07C 231/22
Total number of patents in this class: 68
10-year publication summary
|
4
|
6
|
3
|
3
|
2
|
2
|
4
|
0
|
7
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5190 |
4 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
3 |
| Mitsubishi Chemical Corporation | 4313 |
3 |
| Ajinomoto Co., Inc. | 2337 |
3 |
| Theaprin Pharmaceuticals Inc. | 34 |
3 |
| FarmHannong Co., Ltd. | 69 |
3 |
| LG Chem, Ltd. | 17205 |
2 |
| Dia-Nitrix Co., Ltd. | 15 |
2 |
| Abbvie Inc. | 1808 |
2 |
| AbbVie Deutschland GmbH & Co. KG | 268 |
2 |
| Takasago International Corporation | 406 |
2 |
| Wakayama University | 20 |
2 |
| Yamamoto Yoshie | 3 |
2 |
| F. Hoffmann-La Roche AG | 7958 |
1 |
| Evonik Röhm GmbH | 452 |
1 |
| Medtronic, Inc. | 9964 |
1 |
| Massachusetts Institute of Technology | 9795 |
1 |
| Chevron Oronite Company LLC | 551 |
1 |
| Showa Denko K.K. | 2539 |
1 |
| Mitsui Chemicals, Inc. | 3134 |
1 |
| Other owners | 28 |