- 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: 1144
Historique des publications depuis 10 ans
|
86
|
102
|
105
|
98
|
106
|
95
|
83
|
87
|
94
|
46
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Toray Industries, Inc. | 6936 |
139 |
| Nitto Denko Corporation | 8231 |
61 |
| LG Chem, Ltd. | 17632 |
59 |
| Dow Global Technologies LLC | 10363 |
43 |
| Asahi Kasei Kabushiki Kaisha | 2673 |
33 |
| FUJIFILM Corporation | 29367 |
27 |
| Aquaporin A/S | 74 |
22 |
| DDP Specialty Electronic Materials US, LLC | 831 |
22 |
| King Fahd University of Petroleum and Minerals | 1189 |
21 |
| Kurita Water Industries Ltd. | 1194 |
21 |
| Toray Advanced Materials Korea Inc. | 259 |
18 |
| Entegris, Inc. | 1868 |
18 |
| Solventum Intellectual Properties Company | 3325 |
17 |
| Unitika Ltd. | 452 |
15 |
| 3m Innovative Properties Company | 17833 |
14 |
| Saudi Arabian Oil Company | 13155 |
14 |
| National University Corporation Kobe University | 526 |
11 |
| National University of Singapore | 2449 |
11 |
| Vontron Technology Co., Ltd. | 35 |
11 |
| BL Technologies, Inc. | 834 |
10 |
| Autres propriétaires | 557 |