- Sections
- B - Techniques industriellestransports
- 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: 485
Historique des publications depuis 10 ans
|
33
|
45
|
33
|
56
|
42
|
42
|
25
|
32
|
27
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| FUJIFILM Corporation | 29399 |
46 |
| FUJIFILM Manufacturing Europe B.V. | 261 |
28 |
| Toray Industries, Inc. | 6945 |
27 |
| Sumitomo Chemical Company, Limited | 9047 |
17 |
| Renaissance Energy Research Corporation | 60 |
16 |
| FUJIFILM Imaging Colorants Limited | 216 |
13 |
| Nitto Denko Corporation | 8241 |
12 |
| 3m Innovative Properties Company | 17819 |
10 |
| Solventum Intellectual Properties Company | 3323 |
9 |
| Mitsubishi Chemical Corporation | 4514 |
8 |
| Asahi Kasei Medical Co., Ltd. | 267 |
8 |
| Trustees of Tufts College | 880 |
8 |
| Dow Global Technologies LLC | 10332 |
7 |
| Gambro Lundia AB | 1366 |
7 |
| California Institute of Technology | 3972 |
5 |
| Korea Advanced Institute of Science and Technology | 4382 |
5 |
| Arkema France | 4154 |
5 |
| Arkema Inc. | 1059 |
5 |
| Merck Millipore Ltd. | 34 |
5 |
| BASF SE | 20915 |
4 |
| Autres propriétaires | 240 |