- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/56 - Polyamides, p. ex. polyesters-amides
Détention brevets de la classe B01D 71/56
Brevets de cette classe: 1149
Historique des publications depuis 10 ans
|
84
|
99
|
100
|
94
|
103
|
91
|
83
|
84
|
93
|
52
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Toray Industries, Inc. | 6978 |
141 |
| Nitto Denko Corporation | 8295 |
63 |
| LG Chem, Ltd. | 17656 |
59 |
| Dow Global Technologies LLC | 10413 |
43 |
| Asahi Kasei Kabushiki Kaisha | 2686 |
33 |
| FUJIFILM Corporation | 29586 |
27 |
| Aquaporin A/S | 74 |
22 |
| DDP Specialty Electronic Materials US, LLC | 840 |
22 |
| King Fahd University of Petroleum and Minerals | 1272 |
21 |
| Kurita Water Industries Ltd. | 1204 |
21 |
| Toray Advanced Materials Korea Inc. | 264 |
18 |
| Entegris, Inc. | 1895 |
18 |
| Solventum Intellectual Properties Company | 3333 |
17 |
| Unitika Ltd. | 451 |
15 |
| 3m Innovative Properties Company | 17781 |
14 |
| Saudi Arabian Oil Company | 13372 |
14 |
| National University Corporation Kobe University | 532 |
11 |
| National University of Singapore | 2473 |
11 |
| Vontron Technology Co., Ltd. | 35 |
11 |
| BL Technologies, Inc. | 836 |
10 |
| Autres propriétaires | 558 |