- Sections
- B - Techniques industrielles; transports
- B01D - Séparation
- B01D 71/40 - Polymères d'acides non saturés ou de leurs dérivés, p.ex. sels, amides, imides, nitriles, anhydrides, esters
Détention brevets de la classe B01D 71/40
Brevets de cette classe: 466
Historique des publications depuis 10 ans
|
33
|
45
|
33
|
57
|
41
|
41
|
25
|
32
|
25
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| FUJIFILM Corporation | 28467 |
46 |
| FUJIFILM Manufacturing Europe B.V. | 270 |
29 |
| Toray Industries, Inc. | 6843 |
26 |
| Sumitomo Chemical Company, Limited | 8966 |
17 |
| Renaissance Energy Research Corporation | 59 |
16 |
| FUJIFILM Imaging Colorants Limited | 224 |
13 |
| Nitto Denko Corporation | 8069 |
12 |
| 3m Innovative Properties Company | 17968 |
10 |
| Solventum Intellectual Properties Company | 3307 |
9 |
| Mitsubishi Chemical Corporation | 4430 |
8 |
| Asahi Kasei Medical Co., Ltd. | 300 |
8 |
| Trustees of Tufts College | 817 |
8 |
| Dow Global Technologies LLC | 10139 |
6 |
| Gambro Lundia AB | 1368 |
6 |
| The Regents of the University of California | 19479 |
5 |
| California Institute of Technology | 3925 |
5 |
| Korea Advanced Institute of Science and Technology | 4174 |
5 |
| Arkema France | 3888 |
5 |
| BASF SE | 20367 |
4 |
| SINTEF Tto AS | 128 |
4 |
| Autres propriétaires | 224 |