- Sections
- C - Chimiemétallurgie
- C07C - Composés acycliques ou carbocycliques
- C07C 303/44 - SéparationPurification
Détention brevets de la classe C07C 303/44
Brevets de cette classe: 246
Historique des publications depuis 10 ans
|
11
|
11
|
26
|
19
|
25
|
18
|
23
|
12
|
14
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Libre Holdings, Inc. | 36 |
26 |
| BASF SE | 21036 |
24 |
| Qianjiang Yongan Pharmaceutical Co., Ltd | 11 |
9 |
| Mitsubishi Materials Corporation | 2471 |
7 |
| Arkema Inc. | 1069 |
6 |
| King Faisal University | 921 |
6 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 135 |
6 |
| FutureFuel Chemical Company | 17 |
5 |
| Rhodia Operations | 1585 |
5 |
| S.p.c.m. SA | 240 |
5 |
| Hubei Grand Life Science and Technology Co., Ltd | 9 |
4 |
| Kao Corporation | 4981 |
3 |
| AMOREPACIFIC Corporation | 2847 |
3 |
| Archer Daniels Midland Company | 1133 |
3 |
| Central Glass Company, Limited | 1273 |
3 |
| Veolia North America Regeneration Services, LLC | 10 |
3 |
| Zhejiang Hisun Pharmaceutical Co., Ltd. | 280 |
3 |
| Shin Sung Materials Co., Ltd. | 6 |
3 |
| Rising Pharma Holdings, Inc., DBA Rising Pharmaceuticals | 49 |
3 |
| Cmblu Energy AG | 56 |
3 |
| Autres propriétaires | 116 |