- 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: 1234
Historique des publications depuis 10 ans
|
102
|
106
|
98
|
106
|
96
|
83
|
87
|
94
|
72
|
80
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Toray Industries, Inc. | 7164 |
155 |
| Nitto Denko Corporation | 8645 |
64 |
| Dow Global Technologies LLC | 11106 |
42 |
| Asahi Kasei Kabushiki Kaisha | 2876 |
40 |
| Nanoh2o Co., Ltd. | 60 |
31 |
| LG Chem, Ltd. | 18005 |
28 |
| King Fahd University of Petroleum and Minerals | 1613 |
28 |
| FUJIFILM Corporation | 30866 |
26 |
| Kurita Water Industries Ltd. | 1300 |
22 |
| DDP Specialty Electronic Materials US, LLC | 848 |
20 |
| Toray Advanced Materials Korea Inc. | 307 |
19 |
| Entegris, Inc. | 2046 |
19 |
| Unitika Ltd. | 447 |
19 |
| Life Technologies Corporation | 3626 |
17 |
| Saudi Arabian Oil Company | 14446 |
16 |
| 3m Innovative Properties Company | 17463 |
15 |
| Aquaporin A/S | 42 |
13 |
| National University Corporation Kobe University | 588 |
12 |
| Vontron Technology Co., Ltd. | 40 |
12 |
| National University of Singapore | 2618 |
11 |
| Autres propriétaires | 625 |