- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/16 - Acétate de cellulose
Détention brevets de la classe B01D 71/16
Brevets de cette classe: 203
Historique des publications depuis 10 ans
|
8
|
15
|
14
|
19
|
11
|
16
|
17
|
21
|
14
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Toray Industries, Inc. | 6976 |
16 |
| Toyobo Co., Ltd. | 2516 |
15 |
| FUJIFILM Manufacturing Europe B.V. | 261 |
8 |
| FUJIFILM Corporation | 29543 |
7 |
| Saudi Arabian Oil Company | 13349 |
7 |
| Sartorius Stedim Biotech GmbH | 841 |
6 |
| Arkema France | 4164 |
4 |
| Beijing Baoshengtong International Electric Engineering Technology Co., Ltd. | 4 |
4 |
| Board of Regents, The University of Texas System | 5849 |
3 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 295 |
3 |
| China Petroleum & Chemical Corporation | 1908 |
3 |
| Daicen Membrane-systems Ltd. | 23 |
3 |
| Kurita Water Industries Ltd. | 1203 |
3 |
| Kyoeisha Chemical Co., Ltd. | 82 |
3 |
| National University Corporation Kobe University | 531 |
3 |
| National University of Singapore | 2466 |
3 |
| LG Chem, Ltd. | 17644 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8783 |
2 |
| Bayer HealthCare LLC | 1354 |
2 |
| Hitachi, Ltd. | 15556 |
2 |
| Autres propriétaires | 104 |