- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 303/44 - SeparationPurification
Patent holdings for IPC class C07C 303/44
Total number of patents in this class: 248
10-year publication summary
|
13
|
29
|
21
|
27
|
21
|
24
|
13
|
15
|
21
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Libre Holdings, Inc. | 45 |
26 |
| BASF SE | 21334 |
23 |
| Qianjiang Yongan Pharmaceutical Co., Ltd | 11 |
9 |
| Arkema Inc. | 1060 |
6 |
| King Faisal University | 936 |
6 |
| Mitsubishi Materials Corporation | 2484 |
6 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 143 |
6 |
| FutureFuel Chemical Company | 18 |
5 |
| Rhodia Operations | 1483 |
5 |
| S.p.c.m. SA | 235 |
5 |
| Hubei Grand Life Science and Technology Co., Ltd | 10 |
4 |
| Kao Corporation | 5112 |
3 |
| AMOREPACIFIC Corporation | 2915 |
3 |
| Archer Daniels Midland Company | 1073 |
3 |
| Central Glass Company, Limited | 1297 |
3 |
| Veolia North America Regeneration Services, LLC | 10 |
3 |
| Zhejiang Hisun Pharmaceutical Co., Ltd. | 309 |
3 |
| Shin Sung Materials Co., Ltd. | 6 |
3 |
| Rising Pharma Holdings, Inc., DBA Rising Pharmaceuticals | 59 |
3 |
| Cmblu Energy AG | 58 |
3 |
| Other owners | 120 |