- 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: 1190
Historique des publications depuis 10 ans
|
99
|
100
|
94
|
103
|
92
|
83
|
84
|
93
|
70
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Toray Industries, Inc. | 7038 |
146 |
| Nitto Denko Corporation | 8465 |
64 |
| LG Chem, Ltd. | 17822 |
55 |
| Dow Global Technologies LLC | 10770 |
42 |
| Asahi Kasei Kabushiki Kaisha | 2779 |
36 |
| FUJIFILM Corporation | 30244 |
27 |
| King Fahd University of Petroleum and Minerals | 1483 |
23 |
| Aquaporin A/S | 62 |
23 |
| DDP Specialty Electronic Materials US, LLC | 845 |
22 |
| Kurita Water Industries Ltd. | 1259 |
21 |
| Toray Advanced Materials Korea Inc. | 286 |
19 |
| Entegris, Inc. | 1980 |
19 |
| Unitika Ltd. | 442 |
17 |
| Solventum Intellectual Properties Company | 3369 |
17 |
| Saudi Arabian Oil Company | 13949 |
16 |
| 3m Innovative Properties Company | 17512 |
15 |
| National University Corporation Kobe University | 555 |
12 |
| Vontron Technology Co., Ltd. | 39 |
12 |
| National University of Singapore | 2552 |
11 |
| BL Technologies, Inc. | 837 |
10 |
| Autres propriétaires | 583 |