- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/48 - Polyesters
Détention brevets de la classe B01D 71/48
Brevets de cette classe: 251
Historique des publications depuis 10 ans
|
23
|
21
|
18
|
29
|
12
|
20
|
15
|
14
|
18
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Toray Industries, Inc. | 7149 |
26 |
| Nitto Denko Corporation | 8589 |
18 |
| King Fahd University of Petroleum and Minerals | 1601 |
10 |
| Toray Advanced Materials Korea Inc. | 304 |
7 |
| 3m Innovative Properties Company | 17455 |
6 |
| Repligen Corporation | 300 |
6 |
| FUJIFILM Corporation | 30689 |
4 |
| Khalifa University of Science and Technology | 435 |
4 |
| Dankook University Cheonan Campus Industry Academic Cooperation Foundation | 118 |
4 |
| BL Technologies, Inc. | 838 |
3 |
| Hokuetsu Kishu Paper Co., Ltd. | 13 |
3 |
| Zehnder Group International AG | 397 |
3 |
| BASF SE | 21320 |
2 |
| Kimberly-clark Worldwide, Inc. | 5257 |
2 |
| Sumitomo Chemical Company, Limited | 8965 |
2 |
| Dow Global Technologies LLC | 11051 |
2 |
| Case Western Reserve University | 1907 |
2 |
| FUJIFILM Manufacturing Europe B.V. | 219 |
2 |
| Jiangnan University | 1643 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4137 |
2 |
| Autres propriétaires | 141 |