- Sections
- C - Chimiemétallurgie
- C07C - Composés acycliques ou carbocycliques
- C07C 303/44 - SéparationPurification
Détention brevets de la classe C07C 303/44
Brevets de cette classe: 243
Historique des publications depuis 10 ans
|
13
|
29
|
21
|
27
|
21
|
24
|
13
|
15
|
21
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Libre Holdings, Inc. | 45 |
26 |
| BASF SE | 21303 |
23 |
| Qianjiang Yongan Pharmaceutical Co., Ltd | 11 |
9 |
| Arkema Inc. | 1060 |
6 |
| King Faisal University | 931 |
6 |
| Mitsubishi Materials Corporation | 2468 |
6 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 139 |
6 |
| FutureFuel Chemical Company | 18 |
5 |
| Rhodia Operations | 1497 |
5 |
| S.p.c.m. SA | 238 |
5 |
| Hubei Grand Life Science and Technology Co., Ltd | 10 |
4 |
| Kao Corporation | 5073 |
3 |
| AMOREPACIFIC Corporation | 2902 |
3 |
| Archer Daniels Midland Company | 1075 |
3 |
| Central Glass Company, Limited | 1291 |
3 |
| Veolia North America Regeneration Services, LLC | 10 |
3 |
| Zhejiang Hisun Pharmaceutical Co., Ltd. | 300 |
3 |
| Shin Sung Materials Co., Ltd. | 6 |
3 |
| Rising Pharma Holdings, Inc., DBA Rising Pharmaceuticals | 54 |
3 |
| Cmblu Energy AG | 58 |
3 |
| Autres propriétaires | 115 |